Consider Mendel's pea plants in which a single gene determines whether the peas are yellow from the
dominant allele Y or green from the recessive allele y (when both alleles are y). According to the Hardy-
Weinberg Principle of Equilibrium, what is the frequency of heterozygous individuals in a population under
low selective pressure?
A major contributing factor for the reduction in the number of medium ground finches on Daphne Major
Island was attributed to __________________.
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