a. A recessive allele for green eye (g) has a frequency of 0.25 in population Y and a frequency of 0.025 in population Z. A food shortage in population Y causes a number of people in population Y to migrate to population Z, where they reproduce randomly with the members of population Z. Geneticists estimate that after migration, 25% of the people in population Z consist of people who migrated from population Y.
i. Determine the frequency of green eye in population Z after the migration by showing its calculation.
0.25 × 0.025 = 0.000625
= 0.000625/0.25
= 0.0025
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