A fly that expresses the bicoid mutant phenotype
A)is genetically wild-type,but has a bicoid mutant mother.
B)is mutant for bicoid and has a bicoid mutant mother.
C)may be either genetically wild-type or mutant for bicoid,but definitely has a bicoid mutant mother.
D)can be either genetically wild-type or mutant for bicoiD.The genotype of the mother cannot be determined from the information provideD.

Question

Quizplus · Accepted Answer

The bicoid phenotype is determined by the mother's genotype, as bicoid is a maternal effect gene. A fly with a bicoid mutant phenotype must have a bicoid mutant mother, regardless of its own genotype.

A Fly That Expresses the Bicoid Mutant Phenotype