The evolution of initiation of limb development in tetrapods is best explained by
A)a new gene mutation.
B)the modification of an existing gene for a new function.
C)homoplastic convergence.
D)gene duplication and divergence.

Question

Quizplus · Accepted Answer

The initiation of limb development in tetrapods is best explained by the modification of an existing gene for a new function, as evolutionary changes often involve the repurposing of existing genetic pathways.

The Evolution of Initiation of Limb Development in Tetrapods Is