In a certain population of frogs, 120 are green, 60 arebrownish green, and 20 are brown. The allele forbrown is denoted GB, while that for green is GG, andthese two alleles are incompletely dominant.a. What are the genotype frequencies in thepopulation?b. What are the allele frequencies of GBand GG inthis population?c. What are the expected frequencies of the genotypes if the population is at Hardy-Weinbergequilibrium?

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter19: Population Genetics And Human Evolution
Section: Chapter Questions
Problem 11QP: Using the HardyWeinberg Law in Human Genetics In a given population, the frequencies of the four...
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In a certain population of frogs, 120 are green, 60 are
brownish green, and 20 are brown. The allele for
brown is denoted GB
, while that for green is GG, and
these two alleles are incompletely dominant.
a. What are the genotype frequencies in the
population?
b. What are the allele frequencies of GB
and GG in
this population?
c. What are the expected frequencies of the genotypes if the population is at Hardy-Weinberg
equilibrium?

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