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Definition of Hox gene

Hox gene: One of a subgroup of homeobox genes that are found in clusters on the genes of vertebrates. These are referred to as Hox clusters in mammals. Hox clusters play a role in directing embryonic development.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=23153
Last Editorial Review: 6/14/2012

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