Emberin
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Am I right in saying that homeobox genes grouped together form hox genes? Thanks
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macpatgh-Sheldon
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As I understand it, homeobox genes form a part of HOX genes (as well as of others such as PAX and EMX genes) rather than being grouped as the latter i.e. the HOX genes may have other genes that are not homeobox genes.

Homeobox genes are effectively coders of transcription factors i.e. proteins that either activate or repress transcription, either directly or by influencing the translation role of mRNA. In this way they control gene expression.

Because they control development of organs/limbs, mutations in these genes cause birth defects.e.g. sex reversal that produces XY females.

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Emberin
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So, homeobox genes code for the homeodomain, and are form part of hox genes that control the body plan of an organism?
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