Peppered moths are dark-colored when they carry the dark (D) allele, and light-colored when they are homozygous for the recessive (d) allele.
A geneticist collected a population of 50 peppered moths, and found that 18 were dark (DD or Dd) and 32 were light (dd).
dd
DD or dd
O
Light form of
peppered moth
Dark form of
peppered moth
What are the allele frequencies for the alleles in this population? Assume that the conditions of Hardy-Weinberg equilibrium apply.
C A D=0.20; d = 0.80
C
B. D=0.50; d = 0.50
C
C
D = 0.25; d = 0.75
C
D
. D=0.36; d = 0.64
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