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Homeobox genes and gene products are involved in the development of embryos.

Characteristics of homeobox genes include which of the following?

Select ALL that apply.

A

They are found in both eukaryotes and prokaryotes.

B

Their products, homeoproteins, are believed to regulate the expression of gametic genes.

C

Their gene products direct the formation of many body structures during early embryonic development.

D

They are DNA sequences found within genes that are involved in the regulation of patterns of anatomical development.

E

They code for protein transcription factors which include a characteristic protein fold structure that binds DNA.

F

They encode proteins that determine the identity of embryonic regions along the anterior-posterior axis.

G

They are found exclusively in eukaryotes.

H

They encode proteins that determine the identity of embryonic regions along the nuclear axis.

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