In Drosophila, mutations in homeotic genes can lead to
A) the polarity of segments being reversed.
B) segments missing.
C) segments of one body part being transformed into another.
D) determine the distance between the anterior and posterior of the embryo.
E) reversal of the dorso-ventral axis.

Question

Quizplus · Accepted Answer

Homeotic genes in Drosophila are responsible for specifying the identity of segments along the anterior-posterior axis of the embryo. Mutations in these genes can lead to one segment developing as if it were another, such as legs where antennae should be, but they do not affect segment polarity, cause segments to be missing, determine distances between body parts, or reverse the dorso-ventral axis.

In Drosophila, Mutations in Homeotic Genes Can Lead to