In a Population of Butterflies That Has Two Alleles at a Locus

question 51

Multiple Choice

In a population of butterflies that has two alleles at a locus for spots, no spots (N) and spots (S) , there are 20 individuals with the NN genotype, 40 with the NS genotype, and 40 with the SS genotype. What is the frequency of N in the population?

• A) 0.4
• B) 0.2
• C) 0.6
• D) 0.8
• E) none of the above

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