The four components of Mendel's theory that resulted in the Law of Separation are as follows:
1. Variations in genetic features are explained by alternate versions of genes.
2. The creature acquires two alleles of her for each attribute (one from each parent).
3. When two alleles vary at a locus, one (dominant) controls the appearance of the organism. There is no discernible influence of recessive alleles on appearance.
4. The law of segregation states that during gametogenesis, two alleles of an inherited characteristic separate, resulting in distinct gametes.
Mendel's first law outlines how two copies of a gene's alleles break into gametes. During gametogenesis, Mendel's second law outlines the independent ordering of alleles from distinct genes.
Each gamete receives just one randomly picked copy of the gene when an organism produces gametes. This is referred to as the Law of Segragation. Punnett squares can be used to predict genetic cross offspring genotypes (allele combinations) and phenotypes (observable attributes).
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What can be known about Mendel's five part hypothesis it is an answer to a scientific question and is based mostly on H?
Mendel's five-part hypothesis, sometimes referred to as Mendel's principles of inheritance is a scientific explanation for how traits in living things are handed down from one generation to the next. It is mostly based on Mendel's observations and research on pea plants.
The dominance principle: Mendel noticed that although certain qualities (now known as recessive) were not expressed in the offspring, others (now known as dominant) were.
Mendel discovered that distinct features' determining factors now known as genes—separate during the development of reproductive cells (gametes) and reunite during fertilization. This is known as the concept of segregation.
Mendel discovered that the inheritance of one feature has no bearing on the inheritance of another, which is known as the independent assortment principle. Mendel discovered that when breeding true-breeding (homozygous) individuals, certain qualities remain constant while others change, and when breeding hybrid (heterozygous) people, other traits do not.
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The female reproductive system produces a reproductive cell called a(n) . These cells are produced in the ovaries. Then they travel to a(n) and finally to the uterus.
The female reproductive system produces a reproductive cell called egg . These cells are produced in the ovaries. Then they travel to fallopian tube and finally to the uterus.
What is the female reproductive system?
The outer part of the female genitalia is called the vulva, which means covering. The vulva is located between the legs and covers the opening to the vagina and other reproductive organs of the body.
Female reproductive organs are the vagina, uterus, fallopian tubes, and ovaries. A female reproductive system enables a woman to:
produce egg cells (eggs)have intercourseprotect and nourish fertilized eggs until they are fully developedgive birth HerOvaries have her two main reproductive functions in the body. They produce oocytes (eggs) for fertilization and produce the reproductive hormones estrogen, progesterone, and androgens.
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Two closely related birds sing slightly different songs to attract a mate. If
the song is not right, the mate won't be attracted. These birds likely
remain as separate species due to
O reduced hybrid viability.
O behavioral isolation.
geographic isolation.
O
O temporal isolation.
Answer:
Behavioral isolation
Explanation:
Temporal isolation prevents different species from breeding with each other due to different mating times.
Geographic isolation is when a physical/geographical barrier prevents species from breeding with each other.
Reduced hybrid viability is when offspring from the result of two different species mating has a lower chance of survival.
Behavioral isolation is when different species experience reproductive isolation due to differences in mating rituals and/or signals.
Behavioral isolation makes the most sense here.
What are Cyanobacteria ?
Qué es el fotoperiodo y que los ritmos circadianos? y explica cómo afectan a las plantas
Answer:
El fotoperiodo es el fenómeno por el cual las plantas regulan procesos fisiológicos y/o desarrollo de acuerdo a la cantidad de horas luz diarias
Los ritmos circadianos refieren regulación de las funciones vegetales de acuerdo a un reloj interno configurado por la actividad biológica del organismo dentro de un período de 24 horas
Explanation:
El fotoperiodo vegetal refiere a la regulación de los procesos fisiológicos en función de las horas de luz diarias. Por citar un ejemplo, el trigo posee mecanismos fisiológicos los cuales especifican cuando la inflorescencia o espiga debe emerger en función del fotoperiodo, es decir, de la cantidad de horas luz diarias. Por otra parte, un ritmo circadiano es un reloj biológico que marca el ritmo en el cual se desempeñan las funciones biológicas del organismo dentro de un período de 24 horas. En ausencia de estímulos ambientales, las células poseen un reloj biológico/circadiano el cual especifica que actividades metabólicas debe desarrollar en un periodo de 24 horas. Los ritmos circadianos se encuentran en todos los organismos vivos, desde procariotas (por ej., bacterias) hasta eucariotas (por ej., plantas y animales). Por ejemplo, en vegetales, el ritmo circadiano controla la velocidad de la división celular y el crecimiento celular en función de la hora del día (ciclos diurno y nocturno).
What was the end result of Mendel's experiment?
Mendel's research led to the discovery of the inheritance laws that are now referred to as Mendel's laws of inheritance. In order to conduct his tests, he true-bred pea plants for particular traits like seed color and seed shape.
Then he crossed these plants, watching the traits of the progeny. Mendel's investigations led him to the conclusion that discrete "factors" (now known as genes) transferred from parent to child are what determine inheritance. For each attribute, each parent passes down one gene (allele) to their kids.
When the alleles of a trait are different, one allele will be dominant and the other will be recessive. The dominant allele will be expressed in the phenotype, while the recessive allele will not be.
The probability of an offspring inheriting a specific allele from a parent is 50%. Mendel's laws of inheritance laid the foundation for the field of genetics and provided a framework for understanding how traits are passed down from one generation to the next.
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"BB" - this is described as what configuration?
BB is a dominant purebred condition in which only one character or trait is expressed, such as if it is for black, then only black will be expressed as there are two alleles present and both are similar.
What is the significance of the purebred traits?The term "purebred trait" refers to the presence of two dominant or two recessive alleles in genotypes such as BB and TT, and the parents with purebred traits inherit the gametes with a single type gene and no chance of variation is here.
Hence, BB is a dominant purebred condition in which only one character or trait is expressed, such as if it is for black, then only black will be expressed as there are two alleles present and both are similar.
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define parent material in science
Answer:
the disintegrated rock material usually unconsolidated and unchanged or only slightly changed that underlies and generally gives rise to the true soil by the natural process of soil development. — called also source material.
Explanation:
What must NOT be done by people in order to help protect the Chesapeake Bay? *
a. Dispose of wastes properly.
b. Practice shoreline erosion control.
c. Take home all the fish you catch when you go fishing, even if you don’t need them.
d. Dump nothing down storm drains.
Answer:
c
Explanation:
it would cause harm to the bay. therefore NOT protecting it
Boats are able to stay afloat because of the force caused by...
a) gravity
b) hydraulics
c) viscosity
d) buoyancy
Answer:
d) buoyancy
Explanation:
Buoyancy can be defined as an upward force which is created by the water displaced by an object.
According to Archimede's principle, it is directly proportional to the amount (weight) of water that is being displaced by an object.
Thus, the greater the amount of water an object displaces; the greater is the force of buoyancy pushing the object up.
The buoyancy of an object is given by the formula;
[tex] Fb = pgV [/tex]
[tex] But, \; V = Ah [/tex]
[tex] Hence, \; Fb = pgAh [/tex]
Where;
Fb = buoyant force of a liquid acting on an object.
g = acceleration due to gravity.
p = density of the liquid.
v = volume of the liquid displaced.
h = height of liquid (water) displaced by an object.
A = surface area of the floating object.
The unit of measurement for buoyancy is Newton (N).
Additionally, the density of a fluid is directly proportional to the buoyant force acting on it i.e as the density of a liquid decreases, buoyancy decreases and vice-versa.
Boats are able to stay afloat because of the force caused by buoyancy. This simply means that, a boat is able to float because the volume of water it displaces weigh more than its own weight. Thus, if a boat or any physical object weighs more than the volume of water it displaces, it would sink; otherwise, it floats.
A biologist has a mixture of oligonucleotides and polynucleotides. To divide these two classes of nucleic acids into their respective groups, the biologist could use a process that separates by
The biologist could use a process that separates by mass to divide a mixture of oligonucleotides and polynucleotides.
Short single strands of synthetic DNA or RNA called oligonucleotides, or oligos, are the basis for many molecular biology and synthetic biology applications. An oligo might be the starting point for anything from genetic testing to forensic analysis and next-generation sequencing. Through a number of techniques, including as RNA interference (RNAi), target degradation by RNase H-mediated cleavage, splicing modification, non-coding RNA inhibition, gene activation, and programmed gene editing, oligonucleotides can be used to modify the expression of certain genes. A polynucleotide is made up of several nucleotide monomers joined together by covalent bonds. A single polynucleotide molecule is made up of at least 14 nucleotide monomers arranged in a chain. Polynucleotides include ribonucleic acid (RNA) and deoxyribonucleic acid (DNA).
DNA is a polynucleotide chain with two strands.
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7. Calculate the density of a liquid with a volume of 13 mL and a mass of 6.94 grams. Round your
answer to the nearest tenth. D = M/V
Answer:
Density = mass/volume = 57g/4.2 mL ≈ 13.6 g/mL
Explanation:
Mass = 57 g Volume = 4.2 mL
The density of mercury is ⇒ 13.6 g/cm3.
Trust me I got it wrong and it gave me this. I just did the instruction.
Which biomolecule group carrie’ and pae on the hereditary information of the organim
DNA is responsible for carrying the genetic information of living organisms. These nucleic acids come in the form of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA).
Deoxyribonucleic acid is a molecule composed of two strands of polynucleotides twisted together to form a double helix and is the genetic component of the development, function, growth and reproduction of all known organisms and many viruses.
The function of DNA is to store all the genetic information that an organism needs to develop, function and reproduce.
All cells contain complete genes, but cells in different tissues and organs look and behave differently. This is because only a portion of each cell's DNA is used to make proteins.
The four roles played by DNA are replication, information encoding, mutation/recombination, and gene expression.
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I REALLY DO NEED HELP PLEASE!
Do not spam and do not send out links (those who do will get reported)
Part (a)
Enter the data into your calculator or a spreadsheet. Then perform an exponential regression to find the curve of best fit. This is the closest exponential function we can assign to each population, to measure it's approximate growth.
Let functions f, g and h represent group 1 through 3 in that exact order. You should get these approximate functions:
f(x) = 6830.52397(0.92755)^xg(x) = 3969.81548(1.00295)^xh(x) = 5.67328(1.42775)^xNote: Group 3 doesn't have its population start until 1995, which is 10 years after 1985. This means h(x) only works when [tex]x \ge 10[/tex] or it's meaningless otherwise.
Each function found is of the form y = a*b^x, where 'a' is the initial population (at time x = 0) and b helps determine the growth rate. We set b equal to 1+r and solve for r to get the growth rate.
For f(x), we have b = 0.92755 approximately. Set that equal to 1+r and solve for r
1+r = 0.92755
r = 0.92755-1
r = -0.07245
The negative growth rate indicates we have population decline. Specifically, the rate of decline is about 7.245%
Repeat those steps for the b value of g(x) and you should find that r = 0.00295 meaning we have roughly a 0.295% increase for Mussel group 2.
Group 3 has a growth rate of about 42.775% due to r = 0.42775 in this case. The steps will be the same as for group 1.
=========================================================
Part (b)
The graph is shown below as an image attachment. I used GeoGebra to make the graph, and to also find the exponential regression equations.
We have x as the number of years since 1985, which is the starting point, and y is the population size. Something like (0,4800) means in the year 1985, the population is 4800 mussels (see group 1).
Keep in mind that the green curve for h(x) doesn't make sense for positive x values smaller than 10, due to the fact that the third group wasn't introduced until 10 years after the starting point of 1985.
Also, be sure not to think that the blue g(x) curve is linear. It looks like a flat line, but it's really a very stretched out curve. This is because the growth rate is very small.
=========================================================
Part (c)
It appears that group 3 has caused group 1's population to decline, due to the red points (see part b) going downhill as we move from left to right. This drop-off occurs at around the time group 3 is introduced. Strangely, only group 1 is affected while group 2's population is still increasing. This increase is not much, but it's still a positive growth rate. So it's fairly likely that there are other confounding variables to consider, and it's not entirely group 3 that's causing the trouble.
=========================================================
Part (d)
There are many ways that people impact their environment, whether it's a positive or negative impact. When regarding this topic of marine life, specifically mussels, one way that humans affect the population is what was mentioned earlier: The fact that the third group of mussels was introduced to the habitat. Often, though not always, if you introduce a new species to some environment, then the species of animals already living there may have a hard time coping with the newcomer. The new species would be referred to as "an invasive species". The invasive species is more aggressive at getting food to crowd out the older species that isn't used to the newcomer. This may explain why Mussel group 1 experiences a decline after 1995 when group 3 is introduced. This decline is fairly significant as the graph in part (b) shows. Group 2 doesn't seem to be affected at all since it's growth rate is fairly flat yet steadily increasing even if done slowly. It's possible that group 2 is simply more adapted to deal with competition better than group 1.
Another way humans impact the environment is through pollution. Air pollution may contribute to acid rainfall that would lead to the ocean. There's also chemical pollution such as flushing harmful chemicals down the drain, which also leads to the ocean. This could apply to the average consumer, or to very big industrial companies. For instance, in the news recently in Florida, there was a very big worry that a holding pond could contribute to a spike in algae growth. While algae are beneficial, there are some species that invade more than their fair share of resources and kill off anything else more or less. This is one example where pollution contributes to harmful consequences to unfortunate species who likely die off. On top of pollution, there's general habitat loss that also may explain why group 1 is experiencing a sharp decline (however it wouldn't explain why groups 2 and 3 are growing).
Brass, an alloy used in the creation of musical instruments, is an example of a solution between a _____ and a _____.
A.) liquid, liquid
B.) solid, liquid
C.) solid, solid
D.) solid, gas
**NO LINKS** ~ “Properties of Water” assessment
Which of the following is a feature of the "tube-within-a-tube" body plan in most animal phyla?A) The outer tube consists of a hard exoskeleton.B) The outer tube consists of digestive organs.C) The mouth and anus form the ends of the inner tube.D) The two "tubes" are separated by tissue that comes from embryonic endoderm.
Answer: C-the mouth and anus form the ends of the inner tube.
Explanation:
A high concentration of bicoid protein at the opposite ends of a developing Drosophila embryo would result in the development of a _____. two-headed fly fly with a head growing out of its abdomen fly with two abdomens hermaphrodite fly with legs growing out of its head
A high concentration of bicoid protein at the opposite ends of a developing Drosophila embryo would result in the development of a Two headed fly.
In Drosophila, anterior development is entirely dependent on bicoids (Bcd). Consequently, in the absence of maternally deposited BCD, the head and thoracic regions are replaced by posterior structures. The bcd is located at the front of the egg by the 3'UTR. If her Bicoid protein is expressed in
Drosophila, the embryo is still in a syncytial state (intercellular division is not fully developed). Embryos lacking maternally expressed bicoids do not develop the anterior region, including the head and thorax.
Bicoid mRNA is actively localized along microtubules to the front of the Drosophila egg by the motor protein dynein during oogenesis, where it is anchored by association with cortical actin.
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Explain using Physical properties of the gas why
ammonia is not collected by downward delivery
Answer:
Both ammonia and chlorine are soluble in water and hence, would dissolve in water if substance X is water and could not be collected. Ammonia gas would react with concentrated sulphuric acid to produce a salt and as ammonia is less dense than air, it should not be collected via a downwards delivery method.
Which statement best compares the biochemical processes of photosynthesis and cellular
respiration?
A
Photosynthesis is the process of trapping the energy of the sun and storing
it in glucose. Cellular respiration is the process of releasing the energy
stored in the chemical bonds of glucose.
O
B
Photosynthesis is the process of trapping the energy of glucose. Cellular
respiration is the process of releasing the energy stored in the bonds of the
cell.
С
Photosynthesis is the bacterial process of creating energy while cellular
respiration is the eukaryotic process of releasing energy.
D
Photosynthesis is the plant process of releasing and utilizing energy while
cellular respiration is the animal process of releasing and utilizing energy.
Answer:
Hello There!!
Explanation:
The answer is=>A.Photosynthesis is the process of trapping the energy of the sun and storing it in glucose. Cellular respiration is the process of releasing the energy stored in the chemical bonds of glucose.
hope this helps,have a great day!!
~Pinky~
Scientists discovered a fossil in China that belongs to a previously unknown species of an obscure group of small dinosaurs, related to primitive birds such as the famous Archaeopteryx. It had feathers, but they seemed too insubstantial to be useful in flight. Then the scientists said they recognized the unusually long, rod-like bone extending from each of the two wrists: curving structures possibly supporting an aerodynamic membrane. These scientists are grouping the found fossil with birds, based on ________ structures.
Answer:
Physical.
Explanation:
These scientists group the found fossil with birds on the basis of physical structures because first the scientists relate the fossil to the feathers of the bird and later the scientists relate it to the bone structure to determine the resemblance between the birds and the fossil of an obscure group of small dinosaurs so we can conclude that the scientists observe the found fossil on the basis of physiological characteristics of that fossil.
A curriculum developed by an outside group for use by others is called a(n) _________.
a. peer reviewed program
b. canned program
c. independent program
d. culturally competent program
A curriculum developed by an outside group for use by others is called a canned program. So option b is correct.
A canned program is a pre-packaged curriculum that is designed and developed by an outside organization or group. It is then made available for use by other individuals or organizations without the need for significant modification or customization.
Canned programs are often used in education, where they are commonly used by schools or school districts to provide a standardized curriculum for students. They are also used in other fields, such as business and healthcare, where they provide a set of guidelines and procedures that are intended to be followed by employees or practitioners.
Canned programs are often developed by experts in a particular field, such as educators or subject matter experts, and are based on current research and best practices. They can be a valuable resource for organizations that do not have the resources or expertise to develop their own curriculum.
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plasmid vectors often contain __________ genes that can be used to screen for recombinants.
Antibiotic resistance genes are frequently found in plasmid vectors and can be used to test for recombinants.
What may a plasmid accomplish during recombination?Plasmids have been utilized by researchers as tools for the replication, transfer, and alteration of genes. Since they have been utilized in research, these plasmids are referred to as vectors. Recombinant plasmids can be made by changing plasmid carriers to include DNA snippets or genes.
What shared elements are present in recombinant products?One that is employed most frequently is the lambda microorganism. Since the virus does not need to replicate in Escherichia coli, the core region of the beta genome could be removed with the aid of a suitable restriction enzyme and replaced with donor DNA inserts.
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What are the 4 factors that influence natural selection?
The 4 factors that influence natural selection are given as, reproduction, heredity , variation in characteristics, variation in fitness .
The Natural Selection Process's Four Elements. 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 when a characteristic exists that enables one person to more successfully thrive in an.The variation in phenotypic variance-driven individual survival and reproduction is known as natural selection. The generational evolution of a population's heritable features is a fundamental mechanism of evolution. By contrasting it with artificial selection, which in his opinion is intentional and natural selection is not, Charles Darwin popularized the phrase "natural selection."
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The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of
A. bromine
B. fluorine
C. chlorine
D. sulphur
The chemical (ethyl mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of sulfur. The correct option is D.
What is LPG?Propane, propylene, butylene, isobutane, and n-butane are only a few of the volatile hydrocarbon gases found in liquefied petroleum gas, which is a fuel gas.
LPG is a fuel gas used in cars, cooking appliances, and heating appliances. LPG exists inside the cylinder as both a liquid and a vapour (gas).
In order to give the normally odourless LPG cooking gas a noticeable smell, a chemical called ethyl mercaptan is added that is a compound of sulfur.
Thus, the correct option is D.
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Use what you know about DNA to predict some of the physical properties of DNA that you will observe.
Answer:
DNA has double helical structure in which the two strands run antiparallel and are connected through complementary base pair
Explanation:
Some of the physical properties of DNA are
a) It comprises of two strands that attaches with each other in a spiral helical manner thereby giving it a double-stranded helical structure
b) The two strand join each other through complementary base pairing in which A pairs with T and C pairs with G.
c) There is a phosphate group at 5' end and a hydroxyl group at 3' end.
d) Strands are antiparallel as one of the strand run in 5′to 3′direction and the other runs in a 3′ to 5′ direction.
What are the two main types of mutations ?
The two main types of mutations are, 1.Gametes include germline alterations. 2. Somatic mutations happen in the body's other cells.
These mutations are particularly important since they can be passed down to kids, who will all have the mutation in every cell environmental elements and utterly arbitrary causes Mutations can also be brought on by outside factors like specific chemicals or extreme radiation. Let's learn about many mutations and their sorts now that we are familiar with the definition of mutation and its causes.
Based on the base pair substitution, there are two types of point mutation. It is a point mutation that results from the replacement of one purine or one pyrimidine with another. It is a point mutation that happens when pyrimidine is substituted for purine and vice versa. There are three types of point mutations based on transcriptional characteristics.
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What is most likely the reason for the change in fur color?
A change in your cat's coat color may indicate a skin infection or allergy. It's not a skin problem that causes the coat to change, but it's because cats wash themselves more often than usual.
Illness and stress, especially if chronic or prolonged, can affect the appearance of a cat's coat, especially its shine and texture, and many cats shed excessive coat when stressed.
Sunlight can also change the color of your cat's fur, which will wash it out and make it less tonal. As they age, black cats can become grayish and orange cats can become yellowish. Outdoor cats may get more sunlight, but even indoor cats need sunlight.
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What is the end result of the Calvin cycle ?
At the conclusion of the calvin cycle, the ATP and NADPH molecules still contain the energy that was initially derived from light.
Adenosine triphosphate provides the energy that cells use and store. The nucleoside triphosphate structure of ATP is composed of the nitrogenous base ribose sugar, which also comprises an adenine base. ATP plays a crucial role in the entry and exit of macromolecules like proteins and lipids from the cell. Effective transportation mechanisms that are propelled by the energy generated during ATP hydrolysis move these particles through a concentration gradient.
As a result, the light-derived energy is still present in the ATP and NADPH molecules at the end of the calvin cycle.
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HELP ME PLEASEEEE I NEED THIS SOON ILL GIVE
Answer:
B
Explanation:
Answer: B) the Genotypes are XX and Xx C) There is a 50 percent chance of their kids having hemophilia. I'm not 100% sure if the kid would be male or female for C
Explanation:
All cartilage ossifies. True or false ?
Answer: false
Explanation: