2:22 minutes
Problem 5a
Textbook Question

In a population of 2500, how many babies would you expect to have cystic fibrosis, a homozygous recessive condition, if the frequency of the dominant allele is 0.9 and the population is at Hardy–Weinberg equilibrium? a. 0.9×2500=2250 b. 2×0.9×0.1×2500=450 c. 0.9×0.1×2500=225 d. 0.1x0.1x2500=25

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