If a gene has two alleles, and allele A has a frequency of 83%, then allele a has a frequency of:
A)17%.
B)117%.
C)41.5%.
D)7%.
E)166%.

Name: If a gene has two alleles, and allele A has a frequency of 83%, then allele a has a frequency of: A)17%. B)117%. C)41.5%. D)7%. E)166%.
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Question

Quizplus · Accepted Answer

Since there are only two alleles, the sum of their frequencies must equal 100%. Therefore, if allele A has a frequency of 83%, then allele a must have a frequency of 17%.

If a Gene Has Two Alleles, and Allele a Has