試題詳解

72. If a Drosophila female has a homozygous mutation for a maternal effect gene,
(A) only her male offspring will show the mutant phenotype.
(B) her offspring will show the mutant phenotype only if they are also homozygous for the mutation.
(C) all of her offspring will show the mutant phenotype, regardless of their genotype.
(D) only her female offspring will show the mutant phenotype.
(E) she will not develop past the early embryonic stage.