Anwser this quick question what must be true of the parents genotype for the offspring to be homozygous recessive?

Place the steps tor the formation of the enzyme pepsinogen in correct order

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population