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A fruit fly population has a gene with two alleles, Al and A2. Tests show that 70% of the gametes produced in the population contain

A fruit fly population has a gene with two alleles, Al and A2. Tests show that 70% of the gametes produced in the population contain the Al allele. If the population is in Hardy-Weinberg equilibrium, what proportion of the flies carry both Al and A2?
a. 0.7

b. 0.49

c. 0.42

d. 0.21

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