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homeobox gene

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
ho·me·o·box gene (hm--bks)
n.
A DNA sequence in a homeotic gene that encodes for a specific sequence of amino acids in a protein.

gene,
(ho´meoboks”),
n a gene containing a DNA sequence called the homeobox, which is very similar between species and encodes a DNA-binding domain in the resulting protein molecule. Homeobox genes usually play a role in controlling development of the organism.
gene locus,
gene, sex-linked,
n a gene located in a sex chromosome.
gene therapy,
n a procedure that involves injection of “health genes” into the bloodstream of a patient to cure or treat a hereditary disease or similar illness.


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In contrast, a sequence with low identity to a novel homeobox gene ANF-1 and a second a transcript with similarities to a human brain dynein [beta] chain, the KIAA0944 protein, both appeared to be downregulated by [E.
Homeobox genes control the general shape of the fetal body.
For example, in species ranging from humans to mice to fruit flies, the homeobox genes, a collection of genes that guides the development of the embryo by turning on other genes, help distinguish the animal's eventual head from its tail--and all points in between.
 
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