Sickle-cell anemia is a genetic disease. The Sickle-cell all…

Sickle-cell anemia is a genetic disease. The Sickle-cell allele is recessive, but individuals with the homozygous recessive genotype (ss) often die prematurely due to the disease. This affects approximately 9% of the population in Africa. If the frequency of ss is equal to q2, what is the frequency of the dominant S allele in the population?

One out of 10,000 babies born in North America is affected b…

One out of 10,000 babies born in North America is affected by cystic fibrosis, a recessive condition. Assuming that the North American human population is in Hardy-Weinberg equilibrium for this trait, what percentage of the population is heterozygous for this trait?