Which of the Following Statements About the Initiation of Limb

Multiple Choice

Which of the following statements about the initiation of limb development in tetrapods is false?

A) Forelimbs in birds and humans are homologous structures.
B) The development of homologous structures usually involves activation of the same genes.
C) Like Brachyury,Tbx5 has a T-box domain that codes for a transcription factor.
D) Tbx5 encoded protein turns on genes that initiate limb development.
E) Four dimensions are involved in the development of limbs-three spatial dimensions and timE.