In a group of patients, it is reported that drug p is effective only in individuals of the recessive phenotype.  if q = .6 and p to .4 what fraction of patients would benefit from the treatment.  Assume that the population is in HW equilibrium?   a. .25   b. .36   c. .4   d. .6

which of the following between A, B, C is true

Why does sickle cell anemia remain more prevalent in Sub-Saharan Africa than in the rest of the world? Select one: a. People of African ancestry are genetically predisposed to carry the sickle cell allele. b. The prevalence of malaria in Sub-Saharan Africa provided a selective advantage to individuals who were heterozygous. c. Reduced access to medical facilities predisposes Sub-Saharan Africans to an increased chance of disease. d. Infection with malaria provides a selective disadvantage to individuals who are heterozygous for the sickle cell allele.

19.