In a population of deer mice, the allele for white hair is recessive and the allele for brown hair is dominant. If the population consists of 500 individuals and the frequency of homozygous brown mice is 49%, what is the frequency of the recessive allele? Assume the population is in Hardy-Weinberg equilibrium.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

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