Mutations in Maternal-Effect Genes Are Readily Identified Because

Multiple Choice

Mutations in maternal-effect genes are readily identified because

A) heterozygous mutant individuals are produced from homozygous mutant mothers.
B) homozygous mutant individuals from heterozygous parents can develop, but eggs laid by homozygous mutant females cannot develop.
C) heterozygous mutant individuals from homozygous parents can only develop normally if the mother is homozygous mutant.
D) heterozygous mutant females produce eggs that are not capable of normal development.
E) homozygous mutant individuals do not develop and are embryonic lethal.