mutation-of-the-bicoid-gene-can-cause-development-failure-of-the-anterior-segmen

Question

Mutation of the bicoid gene can cause development failure of the anterior segment of the developing Drosophila embryo. However, it can only be expressed when:

Accepted Answer

the mother is homozygous for the mutant allele

Answer

the mother is heterozygous

Answer

the father is homozygous for the mutant allele

Answer

the father is heterozygous