A heterozygous gray (two genes are involved) cat is crossed with a cat that is heterozygous for these two genes. What is the probability of a black kitten? What is a possible genotype of a black kitten? thanks

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

Cells control gene expression at which steps

What are the three groups of atoms that make up amino acids called