Homeotic genes contain a homeobox sequence that is highly conserved among diverse species. The homeobox sequence encodes a protein domain that binds DNA and regulates development. Which of the following statements is correct regarding homeotic genes?
A) Homeotic genes are selectively expressed as an organism develops.
B) Homeoboxes cannot be expressed in invertebrate species.
C) Homeotic genes in apes and humans are very different.
D) Homeobox sequences have shown convergent evolution among species.

Question

Quizplus · Accepted Answer

Homeotic genes are indeed selectively expressed during the development of an organism, playing a crucial role in determining the identity of body parts. Their expression patterns are tightly regulated to ensure proper development.

Homeotic Genes Contain a Homeobox Sequence That Is Highly Conserved