Occasionally, some lethal allele (like sickle cell) is unusually common (more than 50% heterozygotes). what does this tell us?

Which muscle is responsible for inhalation ?

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.