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homeobox

Syllabification: ho·me·o·box
Pronunciation: /ˈhōmēōˌbäks
 
/

Definition of homeobox in English:

noun

Genetics
Any of a class of closely similar sequences that occur in various genes and are involved in regulating embryonic development in a wide range of species.
Example sentences
  • Black vertical lines indicate the typical homeobox gene family and gray vertical lines the atypical homeobox gene family.
  • A homeobox gene involved in setting up the mammalian body plan also appears to control grooming behavior in mice.
  • Because of their fundamental importance in development, homeobox genes are of substantial interest to evolutionary biologists as they may provide key information on the evolution of development.

Origin

1980s: from homeotic (see homeosis) + the noun box1; first discovered in homeotic genes of Drosophila fruit flies.

Definition of homeobox in:

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