You Identify a Population of Mice (Peromyscus Maniculatus)on an Island $$\begin{array} { l l } \text { Black } & 200 \\\text { Gray } & 160 \\\text { White } & 40\end{array}$$

question 2

Essay

You identify a population of mice (Peromyscus maniculatus)on an island.Their coat color is controlled by a single gene: BB mice are black,Bb mice are gray,and bb mice are white.You take a census of the population and record the following numbers of mice.
$$\begin{array} { l l } \text { Black } & 200 \\\text { Gray } & 160 \\\text { White } & 40\end{array}$$
a)What are the frequencies of the two alleles?
b)What are the Hardy-Weinberg equilibrium frequencies for these three phenotypes?
c)A heat wave hits the island.All 200 mice with black fur die from heat stroke,but the other mice survive.What are the new allele frequencies for the population?
d)If the population suffers no further cataclysms after the heat wave,and the surviving animals mate randomly,what will be the frequency of mice with black fur in the next generation?

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