Hox genes are a group of related genes
A) that control the body plan of an embryo.
B) that do not effect change in location.
C) that do not effect plant development.
D) that cause snakes to increase limb formation.

Question

Quizplus · Accepted Answer

Hox genes are known to be involved in the control of the body plan during embryonic development. They help to specify different regions of the body and play a role in determining which structures will form in each of these regions.

Answer: D 
 This statement is incorrect. Hox genes do not cause snakes to increase limb formation. In fact, snakes have lost their limbs through evolutionary processes, and this is thought to be due to changes in Hox gene expression.

Hox Genes Are a Group of Related Genes