The mesoderm of the vertebrate embryo is programmed to produce forelegs rather than hind legs by
A) Noggin.
B) progestin levels.
C) Hox genes.
D) the spacing of somites in the embryo.
E) None of the above

Question

Quizplus · Accepted Answer

Hox genes are responsible for establishing the limb identity along the anterior-posterior axis during embryonic development. In particular, Hox genes expressed in the developing limbs specify forelimb versus hindlimb identity.

The Mesoderm of the Vertebrate Embryo Is Programmed to Produce