How are tetrapod limbs and fish fins developmentally similar?
A) Both start out as buds bulging from body wall.
B) Hox genes are used to produce both phenotypes.
C) Both grow from ectodermal tissue when Hox gene expression ceases.
D) a and b
E) b and c

Question

Quizplus · Accepted Answer

Tetrapod limbs and fish fins are developmentally similar because both start as buds bulging from the body wall, and Hox genes are involved in the development of both structures. This shows the evolutionary relationship and the shared developmental pathways between fish fins and tetrapod limbs.

How Are Tetrapod Limbs and Fish Fins Developmentally Similar