When new individuals enter a population, genetic diverse increases or decreases?

Which of the following is an oxidation-reduction reaction? (pictured below)

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Cattle with brown fur and cattle with white fur will produce a reddish roan calf . when examined closely, the calf show about an even number of brown hairs and white hairs that give a reddish appearance when viewed from far away. the fact that both the brown fur allele and the white fur allele are expressed equally in the offspring is an example of