Question 36

(Multiple Choice)

Homeotic genes contain a homeobox sequence that is highly conserved among very diverse species.The homeobox is the code for that domain of a protein that binds to DNA in a regulatory developmental process.Which of the following would you then expect?


A)that homeotic genes are selectively expressed over developmental time
B)that a homeobox-containing gene has to be a developmental regulator
C)that homeoboxes cannot be expressed in nonhomeotic genes
D)that all organisms must have homeotic genes
E)that all organisms must have homeobox-containing genes

Answer