influenced trait that acts dominantly in females E compared to large body mass (+). Select all of the statements below that are true. un-selected. A large-bodied female and a large-bodied ma offspring. A large-bodied female anda small-bodied m-
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A: As per our policy we are answering the first question only. For the rest of the question kindly…
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A: The above statement os based on the Mendels law of inheritance. Mendel was a biologist who studied…
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A: Purple = pp Orange = PP, Pp Stinger = SS, Ss No stingers = ss
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Q: Which of the following would not be an example of a quantitative trait? O All of these are…
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A: A dominant trait is opposed to a recessive trait which is expressed only when two copies of the gene…
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Q: Recessive alleles are always harmful, resulting in reduced fitness for an organism. O True
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Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
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- In rabbits, full coat color (C) is the dominant trait. A second allele, chinchilla (cch) is recessive to full coat color. Himalayan coat color (ch) is recessive to chinchilla and full coat colors, and albino (c) is recessive to all coat colors. If two heterozygous Himalayan rabbits mate, what is the expected phenotypic ratio in their offspring? 3 Himalayan : 1 albino 3 Himalayan : 1 chinchilla 2 Himalayan : 2 albino All Himalayan Cannot be determined from the information givenIf brown eyes are dominant and blue eyes are recessive, then … Homozygous dominant = Y Y Homozygous recessive = __ __ Heterozygous = __ __ What are the only possible ways the offspring could have brown eyes? __ __ OR __ __ What is the only way that the offspring could have blue eyes? __ __ Using the Punnett Square to the left… What % chance will have brown eyes? ____% What % chance will have blue eyes? ____ What are some developed animal survival traits?webbed feet, sharp claws, whiskers, sharp teeth, large beaks, wings, and hooves.Assume for simplicity that height is a discrete characteristic that is affected most strongly by a single locus with two alleles, T and S. Homozygous TT are taller than average, heterozygous TS are of average height, and homozygous SS are shorter than average. a) In the Dutch population, the results of height on fertility in males is an example of heterozygote advantage, heterozygote disadvantage, general dominance, selection against a dominant phenotype, or selection against a recessive phenotype? b) Would your answer above change for the Dutch women? c) What about the American men and women? d) Can you provide an explanation for the discrepancies in this phenomenon between the Dutch and American populations?
- Make a P-generation for the two fishes below. ○ Fish 1 (Heterozygous black scales, heterozygous long tail) ○ Fish 2 (Homozygous black scales, heterozygous long tail) Then, make a Punnett square, and solve for the probability of traits that their offspring will have. Make sure that you account for both scales and tail.Zombie “speed” is a trait determined by the alleles F and f at the speed gene, where fast is dominant to slow. Zombie “brain eating” is a trait determined by the alleles B and b at the brain-eating gene, with eating brains recessive to not eating brains. Zombie drooling is a trait determined by the alleles D and d at the drooling gene where not drooling is recessive to drooling. A female Zombie that is ffbbDd has offspring with a male Zombie that is FfBbDd. a.What is the probability that their offspring is fast? Please enter as a decimal (e.g. if the probability is 1/4 or 25% chance, then you should enter it as the decimal 0.25). b. What is the probability that their offspring is brain-eating? Please enter as a decimal (e.g. if the probability is 1/4 or 25% chance, then you should enter it as the decimal 0.25). c. What is the probability that their offspring is not-drooling? Please enter as a decimal (e.g. if the probability is 1/4 or 25% chance, then you should enter it as the…There is a species of fish in which homozygous recessive (rr) individuals are Yellow and homozygous dominant (RR) individuals are Red. Color in this species of fish exhibits incomplete dominance. If we mate a homozygous dominant individual with a heterozygous individual, what is the phenotypic ratio of the offspring? Group of answer choices 2 Red : 2 Orange. 4 Red. 3 Red : 1 Yellow. 1 Red : 2 Orange : 1 Yellow.
- What would be the phenotypic and genotypic ratio in F2 generation of the offspring of two parents? One parent is homozygously dominant for height and the other parent is recessive or height.In cattle, hair color is controlled by incomplete dominance. Red results from homozygous dominant alleles (RR), roan from heterozygous alleles (Rr), and white from homozygous recessive alleles (rr). What are the predicted phenotypes and their frequencies of thefollowing crosses: a. white cow and a red bullb. a roan cow and a red bullc. a roan cow and a roan bullWhen you decide to breed your Labrador retriever Molly and sell the puppies, you discover that two of Mollys four siblings have developed a hip disorder that is traceable to the action of a single recessive allele. Molly herself shows no sign of the disorder. If you breed Molly to a male Labrador that does not carry the recessive allele, can you assure a purchaser that the puppies will also be free of the condition? Explain your answer.
- In a certain breed of dogs, a gene (L) codes for hair length. The dominant trait is short hair and the recessive is long hair. Suppose a heterozygous female dog and a homozygous recessive male dog mate. What is the male dog’s genotype and the female dog’s genotype? What is the male dog’s phenotype and the female dog’s phenotype? What will be the genotypic ratio for the offspring from these dogs? What will be the phenotypic ratio for the offspring from these dogs?1.3 Morgan’s fly experiment with a sex-linked traitP generation white eyed males X Red eyed femalesF1 generation Red eyed females X Red eyed malesF2 generation Red eyed females : Red eyed males : white eyed males405:199:201What is the phenotypic ratio of F2 generation? How do you know? Draw punnet squares to explain the results of F2 generation.In pea plants, tall (T) is the dominant allele in plant height over short (t) and the yellow color allele (Y) is dominant over the green color allele (y) for seed color. Parents heterozygous for both traits are cross-pollinated. Determine the frequency for the four different phenotypes of the offspring. Tall plant, yellow seeds: __________ / 16 Tall plant, green seeds: _________ / 16Short plant, yellow seeds: _________ / 16 Short plant, green seeds: _______ / 16 Pure-breeding yellow (Y) canaries (a canary is a type of bird) crossed with pure-breeding blue (y) canaries make green canaries. Identify the genotypic and phenotypic ratios when you cross a green canary with a blue canary. What type of inheritance pattern is this? _______________________________________________ Genotypic Ratio: _________________________________ Phenotypic Ratio: ________________________________