The inheritance of one character has no bearing on the inheritance of another, according to Mendel's principle of independent assortment. In other words, distinct qualities are inherited independently of one another by their various alleles.
Mendel experimented with cross-bred pea plants that were true-breeding for a variety of traits, such as seed color and seed shape, in order to find this principle.
He discovered that the alleles for seed color and shape did not share an inheritance pattern and that each allele was transmitted to progeny separately.
This principle can be explained by the fact that each gene is located on a different chromosome and during the formation of gametes, the chromosomes are separated randomly during meiosis, leading to the formation of different combinations of chromosomes in each gamete. As a result, the alleles of different genes are inherited independently of one another.
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What are the two characteristics of a species?
Answer:
They can reproduce and have genes
Explanation:
Answer:
A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche.
hope it helps can you pls give me branilist pls pls
Match the descriptions to the correct type of fungi.
Fungi can be incredibly sophisticated multicellular organisms or single-celled critters.
What are Fungi?They can be found in almost any location, but the majority of them prefer to dwell on land, primarily in soil or on plant matter, as opposed to the sea or fresh water.
The decomposers are a group that thrives in the soil or on dead plant matter and is crucial to the cycling of carbon and other elements. Some are parasites of plants that spread illnesses like canker, rust, scabs, and mildew.
Fungal diseases in crops can cause the farmer to lose a lot of money. A very small percentage of fungi can make animals sick. These include skin conditions that affect humans including athletes foot, ringworm, and thrush.
Therefore, Fungi can be incredibly sophisticated multicellular organisms or single-celled critters.
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The complete question is :
1.has positive and negative mating strands, 2. has erect fruiting body and 3.the first fungi to evolve, 4.lives in a varied habitat and exhibits all forms of nutrition. A. chytrid---------------------- and B. common mold-----------, C. sac fungi-------------------, D. club fungi------------------
Why are plants unable to grow at the bottom of lakes the water is colder at the bottom sunlight does not reach the bottom?
Because the water is so deep. There are no rooted plants to be found at the bottom of lakes because sunlight cannot penetrate that far.
Lakes obtain their water supply from three different sources: precipitation; rivers and streams; and underground water.
The size of lakes can range from very small to very large. They can be quite deep, or they can be only moderately so. Ponds are frequently used as a synonym for lakes that have depths of less than six or seven feet and support plant life on the bottom.
The changing of the seasons can bring about significant fluctuations in temperature for the lakes that are found in certain temperate regions.
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by far the most abundant and widespread organisms on earth are the _____.
The most abundant and widespread organisms on earth are the Prokaryotes.
Prokaryotes are the single celled organisms and have distinct features than other multicellular living organisms on earth. They are an essential class of organism as they perform several functions like nutrient recycling etc to maintain a well balanced ecosystem.
They are also by far the most diverse group of organisms in both metabolic and natural adaptive manner. Prokaryotes are abundantly found on earth because of their innate ability to adapt themselves even in extreme harsh conditions which results in their easy survival over ages.
Prokaryotes consist of organisms like Bacteria, Cyanobacteria, Archaeans etc.
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In rabbits, coat color is determined by one gene with at least 4 different alleles. The table shows the phenotypes for pairings of alleles.
2. What is the order of dominance of the 4 alleles?
Answer:
Full color is a dominant allele of C
Chinchilla has to have a recessive allel of c^ch
Himalayan must have a recessive of c^h
Albino has a recessive allele of c
Explanation:
In complete dominance, one allele completely masks the expression of another allele, which is evident in heter0zyg0us individuals. The order of dominance refers to which allele dominates over which. C>>C-ch>>C-h>>c.
------------------------
When genes express complete dominance, it means that the dominant allele completely masks the expression of the recessive allele.
This is the case of individuals that are heter0zyg0us for a particular gene and express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
Many genes show complete dominance.
When a gene is multiallelic, we can talk about the order of dominance.
This means that one allele hides the expression of another allele, and there is a third allele that can inhibit the first two, and so on.
For a better understanding, let us analyze the rabbits' example.
The gene that codes for coat color has four alleles.
CC-chC-hcAccording to the image, we know that
⇒ Individuals that express full color have the following genotypes
C C, C C-ch, C C-h, C cWe can see that the C allele is present in all these genotypes, which suggests that this is the dominant allele and hides the expression of all the other alleles.
****C dominates over C-ch, C-h, and c alleles. *****.
⇒ Individuals that express chinchilla color have the following genotypes
C-ch C-chC-ch C-hC-ch cAs we can see, the allele C-ch is always present, meaning that it dominates over C-h and over c alleles.
*****C-ch dominates over C-h and c alleles******
⇒ Hymalayan individuals have the following genotypes
C-h C-hC-h cFrom these genotypes we can assume that C-h dominates over c allele.
⇒ Albino genotype is cc, meaning that the allele c is the recessive one.
According to this analysis, we could assume that the order of dominance is as follows,
C >> C-ch >> C-h >> cThe symbol >> means that the firts allele dominates over all the following ones.
C dominates over ⇒ C-ch, C-h, cC-ch dominates over ⇒ C-h, cC-h dominates over ⇒ cc is the recessive allele-----------------------------------
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Give an example of a decomposer and explain what would happen if a decomposer were absent from the forest ecosystem provide evidence to support your claim and explain your reasoning
Answer:
Explanation:
Fertilizer
Why does the presence of homology support the pattern component of the theory of evolution by natural selection
It lends credibility to the theory that all species descended from a common ancestor. The term "homology" refers to the belief that all living things have a common ancestry.
This is because homology asserts that many individuals have the same embryological origin as specific organ structures. This structure is functional in some, but not in others, indicating that it was handed down from a common ancestor to subsequent generations.
Natural selection, as we know, is an evolutionary process in which certain members of a species had characteristics in their bodies that were advantageous to the environment in which they lived.
These organisms survived and passed these structures on to their descendants. For this reason, we can say that the presence of homology supports the standard component of the theory of evolution by natural selection because it supports the hypothesis that species descend from a common ancestor.
These creatures survived and passed on these structures to their offspring. As a result, the presence of homology supports the standard component of natural selection theory since it supports the premise that species descend from a common ancestor.
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The Young-Helmholtz theory proposes thatA. there are four different types of conesB. there are three different types of color-sensitive conesC. retinal cells are excited by one color and inhibited by its complimentary colorD. rod, not cone, vision accounts for our ability to detect fine visual detail
Option A, The Young-Helmholtz theory proposes that B. there are three different types of color-sensitive cones in the eye that are sensitive to different wavelengths of light, which allows us to perceive a wide range of colors.
These cones contain pigments that respond to different parts of the visible spectrum, such as red, green and blue. This theory sensitive states that the sensitive brain interprets the relative stimulation of these cones as different colors. There are four different types of cones is not accurate, because the Young-Helmholtz theory states that there are three different types of cones. Retinal cells are excited by one color and inhibited by its complimentary color is not accurate either. The retinal cells are sensitive to different wavelengths sensitive of light and the brain interprets the relative stimulation of these cells as different colors. rod, not cone, vision accounts for our ability to detect fine visual detail is not accurate according to the Young-Helmholtz theory, which focuses on the role of the cones in color vision, not the rods. Rods are responsible sensitive for our ability to see in low light conditions and detect fine details in dim light.
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Is sugar part of a nucleotide
Answer:
Yes.
Explanation:
Nucleotide has three parts
Sugar
Phosphate group
Nitrogenous base
Which of the following can be examined with an ordinary bright-field microscope?
A. Wet mounts
B. Heat-fixed specimens
C. Chemical-fixed specimens
D. All of the choices are correct.
Answer: Option (D) will be the answer.
(Please correct me if I am wrong.)
Find the mass of the cone using the triple beam balance. A. 543. 0 g b. 542. 0 g c. 504. 28 g d. 502. 8 g Please select the best answer from the choices provided A B C D
The cone's mass as determined by the triple beam balance .(A) 543.0g is correct option.
The distant beam typically reads in 10 gramme increments, the front beam can read from 0 to 10 grammes, and the center beam typically reads in 100 gramme increments. The triple beam balance can be used to measure substances and measure mass directly from objects as well as find mass by difference for liquids.
Mass is measured carefully and accurately using an equipment or tool known as a triple beam balance. These instruments typically have a reading error or roundoff of 0.05 grammes.
The name of the instrument alludes to its three beams, of which the front beam is the smallest and lightest and the middle beam is the largest and longest. The far beam is of average size.
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Why do men suffer from cardiovascular disease more than women?
Elevated low-density lipoprotein cholesterol is more likely to increase the risk of cardiovascular in men than in women
Men generally develop CVD at a younger age and have a higher risk of coronary heart disease (CHD) than women.
It appears that men's coping with stressful events may be less adaptive physiologically, behaviorally, and emotionally, contributing to their increased risk for CHD.
CVD is the leading cause of death worldwide, yet important differences exist between men and women
During a woman's fertile age, estrogens have been found to exert beneficial effects on the cardiovascular system (CVS), which often protects women from atherosclerosis during this time.
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What are the 5 environmental factors?
Answer:
What are 5 major environmental problems suggest ways to protect the environment?
Biodiversity. Biodiversity is the most complex and vital feature of our planet. …
Water. Water pollution is a huge concern for us and our environment. …
Deforestation. We need plants and trees to survive. …
Pollution. …
Climate Change.
Explanation:
Researchers radio-tagged gray whales to understand the timing of their migration and details of their journey. What types of data were researchers able to collect about the gray whale migrations
Types of data were researchers able to collect about the gray whale migrations:
Migration begins when Arctic ice begins to form over the foraging grounds.Gray whales migrate to California's Baja Lagoon in December and January.On the way south, the female travels before the male.The northward migration begins after the plankton bloom and the peak of summer in the highlands.Most grays migrate to forage in the Arctic during the summer. Meanwhile, the winter migration originates in the waters off Baja California, Mexico where they feed the newborn calves. The annual round trip is taken by more than 10,000 million.
The gray whale (Eschrichtius robustus) frequently migrates in large flocks along the west coast of North America. With a width of between 13 – 16 meters, these pauses often live in calm and warm waters as a haven from predators.
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A dwarf, red snapdragon is crossed with a plant homozygous for tallness and white flowers. What are the genotype and phenotype of the F1 individuals
The genotype of the F1 individuals in this cross is heterozygous, containing both the alleles for tallness and white flowers and the alleles for dwarfism and red flowers. The phenotype of the F1 individuals is tall plants with white flowers.
The dwarf, red snapdragon crossed with a plant homozygous for tallness and white flowers is an example of a monohybrid cross. A monohybrid cross is a type of genetic cross that only involves the inheritance of one trait, such as flower color and plant height. In this particular cross, the dwarf, red flower snapdragon is being crossed with a plant homozygous for tallness and white flowers.
The genotype of the F1 individuals in this cross will be heterozygous, meaning they will possess both the alleles for tallness and white flowers and the alleles for dwarfism and red flowers. The phenotype of the F1 individuals will be tall plants with white flowers. This is because the recessive alleles for dwarfism and red flowers will be masked by the dominant alleles for tallness and white flowers.
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How would this model be altered in non-industrialized countries?
A No change due to a drop in both plant photosynthesis and respiration.
B Balanced due to the reduced combustion of fossil fuels.
C There would be little change in any sinks or resources; no change to model.
D Unbalanced due to the increase in plant sinks.
B Balanced due to the reduced combustion of fossil fuels would this model be altered in non-industrialized countries.
What issues do the newest industrialised nations face?Emerging industrialised nations have a challenge. They must invest a sizable sum of money if they wish to keep up their industrialisation trend. Cities need to grow, transportation needs to be as effective as it can be, and new roads need to be built.
Based on nutrition, health, education, and literacy metrics, there is a lack of human resources. Economic vulnerability, as evidenced, for instance, by fluctuations in agricultural production, exports of commodities and services, and the proportion of the population that is displaced by natural disasters.
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What is Mendel's law ?
The two inheritance laws that Gregor Mendel found in his research with pea plants are known as Mendel's laws. The law of segregation and the law of independent assortment is these laws.
According to the law of segregation, two alleles of a particular gene separate from one another throughout the development of gametes, resulting in only one allele being present in each gamete. This indicates that just one allele from each parent is passed on to the offspring for a particular gene when the gametes combine at fertilization.
The law of independent assortment: This law states that the inheritance of one trait does not affect the inheritance of another trait. In other words, the alleles for different traits are inherited independently of one another.
Together, Mendel's laws of segregation and independent assortment provide a framework for understanding how traits are passed down from one generation to the next, and how genetic diversity is generated within a population.
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How many federal agencies are responsible for managing land resources in the United States?
2
4
6
10
Answer:
4
Most of the current land use concerns relate to federal lands controlled by four federal agencies: Bureau of Land Management, U.S. Forest Service, National Park Service, and Fish and Wildlife Service.
Answer:
4
Explanation:
what percentage of chromosomes normally found in the body cells of an organism do gamete cells contain after meiosis?
The gamete cells contain 50% of the chromosomes found in the body cells of an organism after meiosis.
Meiosis is basically a type of cell division which occurs in the sexually reproducing organisms. This division is observed during the formation of gametes and results in the reduction of the chromosomes in the gametes.
The normal body cells in our body diploid in nature. This means that they contain two complete sets of chromosomes, that is, 23 pairs of chromosomes. When a gamete is formed due to meiotic division, only one half of the chromosome complement is passed on from the parent and therefore the germ cell will contain 50% of the chromosomes found in the body cells of an organism after meiosis.
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Which of the following statements is true about the Krebs (citric acid) cycle and the Calvin (light-independent) cycle?AThey both result in a net production of ATP and NADH.BThey both require a net input of ATP.CThey both result in a release of oxygen.DThey both take place within the cytoplasmic matrix.EThey both are carried out by enzymes located within an organelle matrix.
The statement which is true about the Krebs (citric acid) cycle and the Calvin cycle (light-independent) is: they both are carried out by enzymes located within an organelle matrix.
The Calvin cycle is a series of chemical events that converts carbon dioxide and hydrogen-carrier molecules into glucose. It is also referred to as the photosynthetic carbon reduction (PCR) cycle of photosynthesis, the dark reactions, the light-independent reactions, or the biosynthetic phase. Plants' stroma, the fluid-filled region of a chloroplast not shielded by thylakoid membranes, is where these processes take occur. These processes involve additional chemical steps that are applied to the byproducts of light-dependent reactions (ATP and NADPH). The Calvin cycle is present in all photosynthetic eukaryotes as well as a sizable number of photosynthetic bacteria.
The complete question is:
Which of the following statements is true about the Krebs (citric acid) cycle and the Calvin (light-independent) cycle?
A. They both result in a net production of ATP and NADH.
B. They both require a net input of ATP.
C. They both result in a release of oxygen.
D. They both take place within the cytoplasmic matrix.
E. They both are carried out by enzymes located within an organelle matrix.
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Which of the following organisms help to complete the nitrogen cycle by converting nitrogen gas into usable compounds
1) Fungi
2) bacteria on the roots of legumes
3) animals
4) plants
Menciona tres hechos importantes sobre Charles Darwin y sus viajes
Charles Darwin fue un naturalista inglés que publicó una de las obras científicas más influyentes en el mundo de la biología: “El origen de las especies”. En ella, asentó las bases de la evolución, un proceso que es posible gracias a lo que bautizó como selección natural.
Darwin tuvo ocasión de demostrar sus conocimientos geológicos al mes siguiente, cuando el Beagle alcanzó la costa argentina de Punta Alta. Allí, en un pequeño terraplén de unos seis metros de altura, desenterró fósiles de mamíferos extintos. Entre ellos, restos de perezosos y armadillos gigantes.
Answer:
CHARLES DARWIN
-viaje con el HMS Beagle
abandonó la escuela de medicina
-esperó 20 años para publicar su teoría innovadora sobre la evoluc
Where is most ATP produced in mitochondria?
Most ATP is produced in the mitochondrial matrix, which is the fluid-filled space inside the inner membrane of the mitochondria.
The process of ATP production in the mitochondria is called cellular respiration. It starts with the breakdown of glucose and other molecules in the cytoplasm by the process of glycolysis, which generates a small amount of ATP. The majority of the ATP is generated in the Mitochondria during the process of oxidative phosphorylation, where the electrons from the breakdown of glucose are passed through a series of protein complexes in the inner mitochondrial membrane, which generates a proton gradient that drives the production of ATP via ATP synthase.
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Cetaceans are whales and their relatives.
Which statement provides the best evidence that Ambulocetus natans is an ancestor of Basilosaurus isis?
Help.
A.Homologous structures occur in each fossil.
B.Similar nitrogenous bases are found in the DNA of each fossil.
C.The youngest fossil is larger than the older fossils.
D.The fossils were found in different locations.
Answer: A. Homologous structures occur in each fossil
Explanation: source: trust me broski
(Actually though trust me)
what is a consumer that hunts and gathers food
The table shows weather conditions for four consecutive days at a given location. Each reading was taken at 1 p.m.
On which two days was the relative humidity probably highest?
Answer choices in picture!!!
Please select the word from the list that best fits the definition
height of an object above sea level
-relief
-legend
-elevation
-topographic map
-contour interval
-index contour
pick one that best answers the question
Do living cells ever run out of energy ? Explain.
Explanation:
Cellular Metabolism
The living cells of every organism constantly use energy to survive and grow. Cells break down complex carbohydrates into simple sugars that the cell can use for energy. Muscle cells may consumer energy to build long muscle proteins from small amino acid molecules.
What happens in week 28 of pregnancy? (Check-in Webmd.com) In your own words.
What are the 3 factors that cause natural selection?
Natural selection is founded on three principles: most qualities are inherited inheritance, more children are born than can survive competition, and children with more desirable characteristics will survive and produce more offspring variation.
One of the four fundamental tenets of evolutionary theory, along with mutation, migration, and genetic drift, is natural selection. Populations that exhibit variety in features, such as colour, are subject to natural selection. Its core tenet is that individuals are more likely to reproduce when they possess a characteristic that makes them more likely to survive in a given environment than their counterparts. Four requirements must be met for natural selection to take place: reproduction, inheritance, variety in physical traits, and variation in the number of children produced by each person.
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