Answer:
PERRLA stands for Pupils Equal, Round, and Reactive to Light, and Accommodation. It is an acronym that describes the normal functions of the pupils in response to various stimuli.
After a traumatic head injury or concussion, a doctor would be taking note of the patient's PERRLA reactions because it provides important information about the patient's neurological function. The pupil response is controlled by the autonomic nervous system, which is responsible for regulating many involuntary bodily functions, including the size and shape of the pupils.
Changes in the PERRLA response can indicate damage to the brainstem or other parts of the nervous system, which can be an important indicator of the severity of the head injury. For example, if a patient's pupils are not equal in size or do not react to light or accommodation, it may indicate that there is damage to the nerves controlling the pupils, which can be a sign of a more serious injury.
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Assessing the patient's PERRLA response is a routine part of a neurological examination and is one of many factors that doctors use to evaluate the extent and severity of a head injury. By monitoring the patient's PERRLA response over time, doctors can also track the patient's recovery and determine when it is safe to resume normal activities.
Explanation:
groups of biochemical in living things are; 3 in functions of each biochemical in the living his chemical ii amino acid mistry and how does it support the theory o -? 2 marks) ays (how) evolution occurs. (4 mks) e and contrast the Evolutionary Theory ain ideas of evolution by Natural selecti
Answer: There are several biochemical groups in living things, including carbohydrates, lipids, and proteins. Each group has its own unique function.
Explanation:
Carbohydrates are the primary source of energy in living things, while lipids serve as long-term energy storage and form the structure of cell membranes. Proteins, composed of amino acids, perform a wide range of functions in the body, including catalyzing chemical reactions and providing structural support.
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Biochemical groups, carbohydrates, lipids, proteins, amino acids, and functions.
In humans, free-ear lobes are dominant to attached lobes. Two parents that are both heterozygous free are excepting a child. Show the probabilities for this cross
P:
Genotypic ratio:
Phenotypic ratio:
Answer: Phenotypic Ratio is 3:1 and genotypic ratio is 1:2:1
Explanation:
Since free lobes are dominant, let's represent that as F, and since attached earlobes are recessive, let's demonstrate that as f.
So, if the parents are heterozygous (have both alleles F & f), then the cross will be Ff x Ff. When you do the punnett square for that the four possible genotypes will be FF, Ff, Ff, and ff.
Phenotype: the physical appearance of an organism.
Genotype: the genetic makeup of am organism (results of punnet square)
So, since dominant always presides over recessive and three of our punnet square have capital F as the first letter (dominant), then those three will show the dominant trait, which is free ear lobes. And the one individual with ff will show the recessive trait (attached ear lobes). So the phenotype ratio is 3:1.
Read the following genetics topics below. Choose a topic and then decide what side you are on. Remember that there is no "right" or "wrong" side. Ethical questions often have many points of view. Research your topic and write a 400 word persuasive essay.
Topic 1: Should insurance companies have the right to learn the genetic profiles of the people they insure?
Topic 2: Should employers have the right to learn the genetic profiles of the people they hire? Are there special considerations for employees in jobs in which there is a high risk to others, such as airline pilots, doctors, or bus drivers?
Topic 3: Should scientists who identify genes and create new genetic engineering techniques have the right to patent their methods for their own profit?
Topic 1, Insurance companies should not have the right to learn the genetic profiles of the people they insure.
Genetic testing can reveal information about an individual's health risks and potential for developing certain diseases. While this information can be useful for personalized medical treatment and preventative care, it can also be used by insurance companies to discriminate against individuals based on their genetic profiles.
Allowing insurance companies to access genetic information could lead to discrimination in the form of higher premiums, exclusions from coverage, or even denial of coverage altogether. This could disproportionately affect individuals with genetic predispositions to certain diseases or conditions, making it more difficult for them to access necessary medical care and support.
Genetic information is highly personal and private, and individuals should have the right to control who has access to this information. Allowing insurance companies to access genetic information could set a dangerous precedent for the violation of individual privacy rights.
Instead, insurance companies should be required to base their underwriting decisions on objective, non-discriminatory factors such as age, gender, and lifestyle factors, rather than genetic information. This would help ensure that individuals are not unfairly penalized or denied coverage based on their genetic profiles.
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What is the major contribution to medical science made by Alexander the Great?
A. He built the first public hospital.
B. His libraries housed numerous scrolls written by anatomists.
C. He supported the creation of first medical school.
D. His government first introduced fluoride into water.
Answer:
B. His libraries housed numerous scrolls written by anatomists.
Explanation:
Alexander the Great's major contribution to medical science was the establishment of the Library of Alexandria in Egypt, which housed numerous scrolls written by prominent anatomists, physicians, and scholars of the time. The library helped to preserve and disseminate medical knowledge, providing a foundation for future advancements in the field.
Diagram 1 shows the fossilized remains of the lower portion of a camel's leg. Each subsequent diagram shows the same portion of a camel's leg, but the diagrams are from progressively later time periods. Diagram 4 shows the most recent fossil.
These diagrams demonstrate
A.
that fossils can show how a species changes over time.
B.
that all living organisms have increased in size over time.
C.
that modern camels have more toes than earlier species of camels.
D.
that fossils show how species stay the same over time.
The given diagram shows how the species changed over the period of time. Therefore, option "D" is correct. Fossils are imprinted evidence of the creatures present before humans. It helps in identification of the how they evolved during their life span.
This helps in identifying and putting them on the Tree of Life. This helps in finding the correlation between the species. Carbon dating is used to analyze the bones and imprints found and identify their age. Sedimentary rocks such as limestone, are the oldest and have fossils imprinted on them.
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he viruses cannot pass through the cell wall so in order to infect the viruses have to be smaller than a? pore. vacuole. nucleus. ribsome.
The viruses cannot pass through the cell wall so in order to infect the viruses have to be smaller than a pore. Option A is correct.
The cell wall is a rigid structure that surrounds the cell membrane of many organisms, including plants, fungi, and bacteria. It provides structural support and protection to the cell, and it can also serve as a barrier to the entry of foreign substances, including viruses.
Viruses are infectious agents that require a host cell to replicate and spread. In order to infect a host cell, viruses must be able to penetrate the cell membrane, which is a phospholipid bilayer that is selectively permeable. However, viruses cannot pass through the cell wall, which is typically composed of cellulose, chitin, or peptidoglycan.
In order for viruses to infect a host cell, they must be small enough to pass through pores in the cell wall, or they must enter the cell through a wound or other opening. The size of the pores in the cell wall can vary depending on the type of organism and the specific structure of the cell wall. Option A is correct.
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1. Incinerators are used to
a. control pollution.
b. store hazardous wastes.
c. burn hazardous wastes.
d. dispose of radioactive wastes.
2. After hazardous waste is incinerated, the leftover ash is
a. stored in a long-term storage
c. left to sit for thousands of years.
facility.
b. buried in a special landfill.
d. monitored for hazardous gases.
3. Wastes from nuclear reactors are
a. radioactive.
b. nonhazardous.
c. gaseous.
d. expensive.
Answer for Q1: C. burn hazardous wastes
Answer for Q2: B. buried in a special landfill
Answer for Q3: A. radioactive
Incinerators are used to burn hazardous wastes. Incinerators can help to reduce the risk of exposure to hazardous wastes by destroying harmful substances and reducing the volume of waste materials. Hence option C is correct.
What are Incinerators?Incinerators are facilities designed to burn waste materials at high temperatures, typically ranging from 800°C to 1200°C. They are used to dispose of various types of waste materials, including hazardous wastes, medical wastes, and municipal solid wastes.
The primary purpose of incinerators is to reduce the volume of waste materials and to destroy any harmful pollutants or pathogens that may be present in the waste.
When waste materials are burned at high temperatures, the organic matter is converted into ash and gases, which are released into the atmosphere or captured and treated before release.
Incineration is often used for hazardous wastes, which are defined as wastes that are potentially harmful to human health or the environment. These wastes can include chemicals, solvents, pesticides, batteries, and other materials that are toxic, corrosive, flammable, or reactive.
Hazardous wastes must be handled and disposed of carefully to minimize the risk of exposure to humans and the environment.
Hence option C burn hazardous wastes is correct.
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Which of the following best explains why electronegativity increases as you go from left to right along a period in the periodic table?
A. The number of valence electrons increases, and atomic radius decreases .
B. The number of valence electrons increases, and atomic radius increases
C. The number of valence electrons decreases, and atomic radius increases .
D. The number of valence electrons decreases, and atomic radius decreases .
Answer:
Which of the following best explains why electronegativity increases as you go from left to right along a period in the periodic table?
O A. The number of valence electrons increases, and atomic radius decreases.
O B. The number of valence electrons increases, and atomic radius increases.O C. The number of valence electrons decreases, and atomic radius increases.
O D. The number of valence electrons decreases, and atomic radius decreases.
Explanation:
Could be wrong but I do think it's b, You're welcome.
Atherosclerosis is a condition where hardening plaque forms in damaged areas of the arteries. As the amount of plaque increases, the artery begins to narrow. In the illustration below, the condition is occurring in the lower part of the leg. What will most likely happen to the case shown in the illustration as a result of this blockage?
a. Blood flow to the foot will decrease causing pain.
b. Normal Blood flow to the foot will increase causing swelling.
c. Blood flow to the foot will decrease causing swelling.
d.Blood flow to the foot will increase causing pain
The most likely outcome of the blockage shown in the illustration due to atherosclerosis is a. Blood flow to the foot will decrease causing pain.
Atherosclerosis is a condition where plaques made of cholesterol, fat, and other substances build up inside the arteries, leading to a narrowing of the artery and reduction of blood flow. When this occurs in the lower part of the leg, the reduced blood flow to the foot can cause pain due to lack of oxygen and nutrients.
This condition is known as peripheral artery disease (PAD). As the blockage worsens, it can lead to tissue damage, ulcers, and even gangrene in severe cases. Treatment for PAD may include lifestyle changes, medications, and surgical interventions such as angioplasty or bypass surgery to restore blood flow to the affected area.
Therefore, the correct option is a. Blood flow to the foot will decrease causing pain.
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Write the characteristics of scientific knowledge
Answer: based on the natural world and evidence.
Explanation: scientific knowledge is based on empirical knowledge evidence and natural world it provides supernatural aesthetic ways of knowing philosophy or religion and is durable and robust open to change.
The majority of the public is more likely to accept scientific research's findings.
The following are some of the main attributes of scientific knowledge:
Objectivity: Scientific information is unbiased. The ability to perceive and accept facts for what they are—not for what one may wish they were—is known as objectivity. One must defend against prejudices, beliefs, wishes, ideals, and preferences to be objective. To be objective, one must put away all types of subjective judgments and biases.
2. Verifiability: Science is based on sense data or information obtained through our five senses of sight, hearing, smell, tongue, and touch. Scientific knowledge is founded on verifiable evidence (real, true observations), which allows other observers to watch, weigh, or measure the same phenomenon and verify.
3. Ethical Neutrality: Science is impartial in terms of ethics. It merely looks to learn. Social values dictate how this knowledge should be applied. There are many different ways to use knowledge. Atomic warfare or the treatment of disease are both possible with knowledge of atomic energy.
Being ethically neutral does not imply that a scientist has no moral principles. It simply implies that he must prevent his values from influencing the planning and execution of his research. Science has no inherent values; hence it is value-free.
4. Systematic Exploration: A scientific investigation employs a predetermined sequential approach, a structured plan or design of research, with the purpose of gathering and analyzing data regarding the issue being investigated. The creation of the hypothesis, the gathering of the facts, their analysis (classification, coding, and tabulation), and scientific generalization and prediction are some of the basic scientific stages included in this strategy.
5. Reliability: Scientific knowledge must arise under the required conditions frequently as well as only once. It is repeatable wherever and whenever the conditions indicated apply. Conclusions based on haphazard memories are not particularly trustworthy.
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24. A man that has an AB blood type has a child with a woman with type B blood. Can they have a type O child?
Use a punnett square or punnett squares to show your work.
No, they cannot have children with type O blood. The offspring can have blood type AB or B because the A and B alleles are dominant.
With blood type O, people are unable to become pregnant. Blood group O is recessive and needs two copies of the recessive gene, whereas blood groups AB and B have at least one dominant allele. A woman with blood type B has two alleles B, whereas a guy with blood type AB has one dominant allele A and one dominant allele B.
Thus, their final offspring will have blood type AB or B. The Punnett square showing this will have genotypes AB and BB as parents, with the resulting descendant genotypes AB and BB.
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Please help me with this question
The ability of cancer cells to separate from neighboring cells is a characteristic that is connected to metastasis, or the spread of cancer to other areas of the body. Tumors emerge as a result of uncontrollable cell growth and division brought on by DNA abnormalities that occur in cancer cells.
Cancer cells, in contrast to healthy cells, do not adhere to one another and are capable of separating from the original tumor. This allows them to infect nearby tissues and spread throughout the body via the bloodstream or lymphatic system. This is a defining property of malignant tumors and one of the key causes of cancer's high mortality rate.
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The ________ of a protein is the specific order of amino acids that makes it up, but it needs to undergo much more modification before it is a finished protein.
Select one:
a.
mRNA
b.
primary structure
c.
tRNA
d.
DNA code
The precise arrangement of amino acids that make up a protein forms its main structure, but before a protein is considered complete, it must go through considerably more change.
The sequence of amino acids encoded in the DNA code determines the main structure, which is the building block of a protein. This sequence is initially translated into mRNA by tRNA before being translated again into a protein.
The final three-dimensional structure of the protein is formed after the primary structure is altered by procedures including folding, phosphorylation, glycosylation, and disulfide bridges. The biological activities of proteins are made possible by their three-dimensional structure.
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Calculate the difference in mass and the percentage difference in mass for the sodium chloride solution is at 0.30 mol and 0.45 mol
add these values to complete the table
Answer:
Explanation:
I can help you calculate the difference in mass and percentage difference in mass for the sodium chloride solution at 0.30 mol and 0.45 mol.
The molar mass of sodium chloride (NaCl) is 58.44 g/mol.
For 0.30 mol of NaCl, the mass would be:
0.30 mol NaCl x 58.44 g/mol NaCl = 17.53 g
For 0.45 mol of NaCl, the mass would be:
0.45 mol NaCl x 58.44 g/mol NaCl = 26.30 g
The difference in mass would be:
26.30 g - 17.53 g = 8.77 g
To calculate the percentage difference in mass, we use the following formula:
Percentage difference = (|New value - Old value| / Old value) x 100%
In this case, the old value is 17.53 g (the mass of the 0.30 mol solution), and the new value is 26.30 g (the mass of the 0.45 mol solution).
The percentage difference would be:
(|26.30 g - 17.53 g| / 17.53 g) x 100% = 50.05%
So the difference in mass between the two solutions is 8.77 g, and the percentage difference in mass is 50.05%.
Which energy pyramid best models energy flow in the texas gulf coast community
The trophic pyramid is the most effective energy pyramid for simulating energy flow in a community along the Texas Gulf Coast. The idea of energy flowing from one creature in a food chain to another is the foundation of this pyramid.
Plants, the major energy producers in the neighbourhood, make up the pyramid's foundation. Herbivores are found on the following level; they eat plants and pass the energy along. Carnivores make up the next level of the pyramid, which transfers energy to the apex predators at the top by eating herbivores.
As it adheres to the same energy transfer structure that exists in the Texas Gulf Coast community, this pyramid perfectly represents the energy flow there.
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What organism that does photosynthesis will you have in your aquaponics system?
Hello! In an aquaponics system, you can have various organisms that perform photosynthesis, such as algae, duckweed, and aquatic plants like watercress, lettuce, and basil. These organisms are important in the system as they convert carbon dioxide into oxygen, which is essential for the survival of the fish in the system. Additionally, they also help in removing excess nutrients from the water, thereby improving water quality.
During transcription, which set of codons would bond with the RNA sequence AAUGCC
During transcription, the codons that would bond with the RNA sequence AAUGCC are UUA and CGG, because they are complementary.
What is base complementarity in nucleic acid interactions?Base complementarity in nucleic acids interactions is a fundamental issue since it ensures the realization of a variety of biological processes including transcription and translation as in this case where codons interact with the mRNA sequence to carry the genetic information during the synthesis of a protein.
Therefore, with this data, we can see that base complementarity in nucleic acid interactions is fundamental for translation.
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the major blood vessels in a 48-hour chick embryo are concentrated in the Area vasculosa and are critical for the proper development and growth of the embryo.
The area vasculosa contains most of the major blood arteries in the 48-hour chick embryo, which are essential for the healthy development and growth of the embryo. During early development of the chick embryo the major blood vessels are concentrated in the vasculosa region, sometimes called the vascular region.
The removal of waste materials from the growing embryo and the provision of oxygen and nutrients are both important functions of the blood vessels in this region. The heart and other vital organs are also formed in the vasculosa region. The fetus may not survive or abnormalities may occur if the blood vessels in this area do not develop and expand properly.
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Please help I’m in the middle of a test!
If the original DNA strand is ACTA, and the mutated strand of DNA is ATA, what type of point mutation occurred? Blank 1
If the original DNA strand is ATTA, and the mutated strand of DNA is AGTA, what type of point mutation occurred? Blank 2
If the original DNA strand is AGCG, and the mutated strand of DNA is AGTCG, what type of point mutation occurred? Blank 3
Blank 1: A substitution mutation occurred where the nucleotide C was replaced by nucleotide T.
Blank 2: A substitution mutation occurred where the nucleotide T was replaced by nucleotide G.
Blank 3: An insertion mutation occurred where the nucleotide T was added to the original sequence AGCG.
Blank 1: The point mutation that occurred is a substitution mutation, specifically a transition mutation where a purine was replaced by another purine. This resulted in the change from ACTA to ATA.
Blank 2: The point mutation that occurred is a substitution mutation, specifically a transversion mutation where a purine was replaced by a pyrimidine. This resulted in the change from ATTA to AGTA. r
Blank 3: The point mutation that occurred is an insertion mutation where a nucleotide T was added to the original sequence AGCG, resulting in AGTCG. This type of mutation can cause a frameshift mutation if the codons are shifted, leading to changes in the resulting amino acid sequence.
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In making proteins, the first AUG is considered the start codon and is the place where translation initiatesand encodes for the amino acid methionine. However, there are RNA bases before the first AUG. Why are there the extra bases in front of the first AUG?
a.
it is junk RNA and not used for anything
b.
it is a mistake and is removed by enzymes before translation starts
c.
it is used in regulation:
making the right protein,
in the the correct cell type,
at the proper time of development,
and, in the right amount.
d.
none of the above
The extra bases which are present before the AUG play a role in regulation and ensuring the right protein is made in the correct cell type during the correct time of development.
The correct option is option c.
The extra bases which are found to present before the first AUG codon in the eukaryotic messenger RNA, or the mRNA are basically known as the 5' untranslated region or the 5' UTR or the leader sequence. The 5' UTR happens to play a very crucial role in the regulation of the gene expression as well as protein synthesis.
It ensures that the right protein is being synthesized in the right cell type and during the proper time of the development.
Hence, the correct option is option c.
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Wouldn't the answer be 3?
Answer:
Yes the answer would be 3!
Explanation:
PLEASE HELP Can someone please answer these questions?
Corrected statements are as follows:
Sequoia seedlings do germinate from seeds because they are gymnosperms, not angiosperms.Sequoia seedlings are sporophytic, not gametophytic.Flowers and fruits are not produced by giant sequoias.In the given image of the giant sequoia seedlings, we can identify:
root meristemshoot apical meristemlateral rootselongation zonearea of developmentroot cell division zoneThe maturity zone will have root follicles.Auxin plays two roles in plant growth and development:
stimulate cell growth and differentiationInhibition of lateral bud development and branchingAuxin plays an important role in stem development by stimulating cell elongation on the shaded side of the stem and restricting it to the part exposed to light.
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Which colloquial saying could be considered to be referring to trepanning?
A. "Sure, I need more homework... like I need a hole in my head!"
B. "I'd lose my head if it weren't screwed on!"
C. "A stitch in time saves nine."
D. "Cold hands, warm heart."
The colloquial saying that could be considered to be referring to trepanning is "Sure, I need more homework... like I need a hole in my head!", option A is correct.
Trepanning is a surgical procedure that involves drilling a hole in the skull, and it has been used historically to treat various conditions such as headaches, epilepsy, and mental illness.
This phrase is used to express that the speaker already has enough problems, and adding more to them would be as unnecessary and harmful as creating a hole in their head. The saying is often used humorously or sarcastically to indicate that the speaker does not want or need something that is being offered or suggested to them, option A is correct.
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Mathematical and spatial reasoning capacities are especially likely to be linked with association
areas in the
O parietal lobes.
O temporal lobes.
O occipital lobes.
O frontal lobes.
Mathematical and spatial reasoning capacities are especially likely to be linked with association areas in the parietal lobes. Many cognitive processes, such as sensory processing, attention, language, and spatial cognition, are performed by the parietal lobes.
The interparietal sulcus and the superior parietal lobule are two association areas in the parietal lobe that are important for spatial and mathematical reasoning. These areas are in charge of processing visual and spatial information and combining it with other sensory and cognitive inputs, in order to conduct complex calculations and problem-solving activities.
Therefore, the correct option is A.
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Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low. The graph shows a plant's carbon dioxide levels at different lightintensities.Plant Carbon Dioxide at Different Light Intensities NetphotosynthesisCO, Exchange More carbon dioxide taken in by plantthan given off05,00010,00015,000-20,000 At point X, the rate of which process is equal to the rate of photosynthesis?
Let's imagine we could look at three of Jeffrey's cells. Two of them undergo meiosis, and
one of them undergoes mitosis. How many cells do we have now?
We will have 8 haploid cells and 2 diploid cells, making a total of 10.
What is MitosisMitosis is a process of cell division that results in two daughter cells, each having the same number of chromosomes as the parent cell. It is a fundamental process in the growth, development, and repair of multicellular organisms.
During mitosis, the cell undergoes a series of stages that include the separation of the duplicated chromosomes into two sets, the formation of a spindle apparatus, and the division of the cytoplasm and organelles between the two daughter cells.
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Please help me! Through mRNA splicing during transcription, the ____ of the mRNA are kept, and the ____ of the mRNA are removed, leaving the final strand.
Select one:
a.
proteins, carbon structures
b.
introns, exons
c.
exons, introns
d.
introns, deletions
Exons and Introns is the proper response. The exons of the mRNA are preserved throughout the transcription process known as mRNA splicing, while the introns are eliminated to leave the final strand.
Exons are the portions of the messenger RNA (mRNA) that contain the coding sequences that are ultimately translated into proteins. The non-coding parts of the mRNA, or introns, are excised from the mRNA strand during splicing.
The final mRNA strand is created by joining the exons after the spliceosome, an RNA-protein complex, has eliminated the introns.
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explain the punnett square
Answer: Punnett square is a chart that allows you to determine the expected percentages of different genotypes in the offspring of two parents.
Explanation:
A Punnett square allows the prediction of the percentages of phenotypes in the offspring of a cross from known genotypes.
Many scientists agree that most dinosaurs went extinct when an asteroid struck Earth about 66 million years ago. Ancestors of modern birds survived the asteroid impact, then rapidly diversified as they filled new niches and the niches left by dinosaurs. Most modern groups of birds had evolved by 35 million years ago.
Since this time, the rate at which birds have diversified into new species has increased. Scientists have found that particularly high rates of speciation occurred in regions where mountains have recently formed. New species evolved as birds already present on these mountains became specialized to habitats that developed as mountains grew.
Which statement does this information best demonstrate?
A) Both gradual and sudden geologic disturbances contribute to the diversity of life on Earth by allowing new niches to form.
B) Gradual geological events, like mountain formation, decrease the diversity of life on Earth.
C) Catastrophic events, like asteroid impacts, are mainly responsible for the evolution of life on Earth.
D) The formation of new niches can cause sudden or gradual geological disturbances that influence the evolution of life on Earth.
The given information best demonstrates the statement (D) "The formation of new niches can cause sudden or gradual geological disturbances that influence the evolution of life on Earth."
An asteroid collision that nearly wiped out all of the dinosaurs created new niches, which allowed the progenitors of modern birds to swiftly diversify and fill the voids left by the dinosaurs.
Following this, bird species increased in diversity, especially in areas where mountains had recently emerged. The formation of these mountains and the ecosystems it brought about resulted in the creation of new niches, which allowed birds to specialize and develop into new species.
As a result, both abrupt and slow geological upheavals may result in the development of new niches, and these disturbances can greatly affect the evolution of life on Earth. Therefore, option (D) is correct.
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23. In humans colorblindness (b) is an example of a sex-linked recessive trait. In this problem, a male with
colorblindness marries a female who is not colorblind but carries the (b) allele. Using a Punnett square,
determine the genotypic and phenotypic probabilities for their potential offspring.
Genotype of offspring:
Phenotype of offspring:
The genotype and phenotype possibilities for a colorblind male with a carrier female offspring is: XcXc, XY, XcX, XcY.
colorblind male X carrier female
XcY XcX
| |
XcXc , XY , XcY , XcY
The sole X chromosome that males inherit from their mother is. They will suffer red-green color blindness if that X chromosome carries the red-green color blindness gene rather than a normal X chromosome. Two X chromosomes, one from the mother and one from the father, are present in females.
Red-green color blindness has a wide range of phenotypes. The OPN1SW gene on chromosome 7 is the site of mutations that cause blue color blindness (tritanopia; 190900). To describe the kind and nature of the cone deficiencies, one can use ERG flicker responses.
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