Homeotic genes help determine the identity of individual segments in Drosophila embryos by producing DNA-binding proteins that activate other genes. Each homeotic gene contains a consensus sequence called a homeobox, which encodes the DNA-binding domain.
-Mutations in homeotic genes often cause
A) the deletion of segments.
B) the absence of structures.
C) too many segments.
D) structures to appear in the wrong place.

Question

Quizplus · Accepted Answer

Mutations in homeotic genes can cause structures to appear in the wrong place, a phenomenon known as homeotic transformation, where one body part is replaced by another.

Homeotic Genes Help Determine the Identity of Individual Segments in Drosophila