Researchers are studying the nestlings of brown finches in the Galapagos Islands. Baby finches exist in two color morphs, brown or yellow. Researchers reported that a population of baby finches at the southernmost island included 249 yellow finches and 514 brown finches. They assumed that finch color is controlled by two alleles at a single locus.
homozygous dominant frequency _____
heterozygous frequency ______
homozygous recessive frequency ______
Assume that brown is dominant. Yellow finches are at an increased risk of predation by a predatory bird, the South American skua. If 299 brown finches survive to adulthood, but only 150 yellow ones do, calculate the relative fitness of both of these phenotypes based on this level of predation.
relative fitness of brown finches ______
relative fitness of yellow finches _______
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