In a particular central African population, 4% are born with sickle-cell disease (they are homozygous recessive at a hemoglobin loci). If this population is in Hardy-Weinberg equilibrium, what percentage of the population is heterozygous at the relevant allele and has the selective advantage of being more resistant to malaria?

Nucleic acid certain protein cell membranes certain carbohydrates

Can a trait be both polygenic and have multiple alleles? explain why or why not.

The human body maintains a temperature of around 98.6 degrees at all times. enzymes are involved in almost every chemical reaction in the body. which of the following describes the connection between these two statements? a. enzymes function best at a specific temperature. b. the body needs to be warm to prevent hypothermia. c. the body is kept relatively warm to prevent too much enzyme action. d. there is no connection between the two statements.