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- Red hair is a result of a recessive mutation at the melanocortin 1 receptor (MC1R). As you learned, about 13% of the Scottish population is red haired. If the population mates randomly, what is the frequency of heterozygotes?
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- In the Ireland, 9% of the population is red haired. Assuming mating is random, what is the frequency of heterozygotes in Ireland?The good genes model of sexual selection is a popular hypothesis for mate choice. What is an underlying flaw with the hypothesis that must be explained?After five generations of random mating, what is the frequency of the a allele?
- f you had two guinea pigs of opposite sex, both homozygous, one black and one brown, but you didn't know which was the dominant characteristic, how would you find out the dominant color? Select one: a. Mate them and see what color the offspring are-the other will be the dominant color b. Mate them and see what color the offspring are-that will be the dominant color c. The dominant color could not be determined by mating the two, then mating their offspring; further generations would have to be produced to determine the dominant color d. Mate them together, then mate their offspring to see what color the next generation is-the other color will be the dominant color e. Mate them, then mate their offspring to see what color the next generation is-that will be the dominant colorThere 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.About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness b) What percentage of women would be expected to be heterozygous?
- About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness; c) What percentage of men would be colour blind in the next generation?In some animal species, being tall is dominant over being short. If a homozygous dominant individual mates with a short individual, what is the chance that their offspring will be heterozygous?The frequency of an autosomal recessive condition is 0.001 (1 in 1000) in a population. Assuming individuals mate at random, what is the chance that two heterozygous individuals will mate? Express your answers using three significant figures.
- Salamanders have a male heterogametic system for sex determinations where females are ZZ and males are ZW. The allele for the color of the tail is sex linked and the red allele is found on the W chromosome and the blue allele is found on the Z chromosome. You mate a male and female and they have 3 female offspring. What is the phenotypic ratio for tail color for their offspring? Group of answer choices 2 Blue : 1 Red 0 Blue : 3 Red 1 Blue : 2 red 3 Blue : 0 RedWhat is purposeful control over mating by choice of parents for the next generation?About 7% of men in a population are red-green colour blind due to a sex-linked recessive gene. Assuming random mating in the population with respect to colour blindness. What percentage of women would be expected to be colour blind?What percentage of women would be expected to be heterozygous?What percentage of men would be colour blind in the next generation?