In the process of pattern formation in the Drosophila embryo,
A) the first steps are specified by Hox genes.
B) mutations in pair rule genes result in embryos missing every other segment.
C) mutations in gap genes result in the insertion of extra segments.
D) segment polarity genes determine the dorsal-ventral axes of segments.
E) all segments develop the same organs.

Question

Quizplus · Accepted Answer

Mutations in pair rule genes result in embryos missing every other segment, as these genes are crucial for establishing the segmented body plan of the Drosophila embryo.

In the Process of Pattern Formation in the Drosophila Embryo