If a male and female, both heterozygous, mate, what % of their offspring will be heterozygous?   A. 25% B. 50% C. 75% D. 100%

Define epistasis? a. Allelic variation at two different genes adds together in order to produce a phenotypic outcome b. Genetic variation and environmental variation both affect a given phenotype c. Allelic variation at one gene prevents or conceals the phenotypic consequences of allelic variation at a different gene d. Allelic variation at single gene affects many different phenotypes e. Genes that are near the start of a gene cluster are expressed before genes near the end of the cluster

Two blue ferrets were crossed and the outcome was ⅔ blue offspring and ⅓ that were pink. If you crossed two pink ferrets, what percentage of the offspring would be pink? A.25% B.33% C.66% D.75% E.100%

A man is homozygous normal and his wife is heterozygous for a genetically inherited recessive decease.  What is the probability that they will have a healthy child? Group of answer choices a. 2 out of 4 b. 1 out of 4 c. 3 out of 4 d. 4 out of 4

A spotted rabbit, when mated with a solid-colored rabbit, produced all spotted offspring. When these F1­ rabbits were crossed among themselves, they produced 24 spotted rabbits and 8 solid-colored rabbits. Which of these characters is dependent on a dominant gene? a. spotted rabbit b. solid-colored rabbit