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homeobox

Line breaks: homeo|box
Pronunciation: /ˌhɒmɪə(ʊ)ˈbɒks
 
, ˌhəʊm-/
(also homoeobox)

Definition of homeobox in English:

noun

Genetics
Any of a class of closely similar sequences which occur in various genes and are involved in regulating embryonic development in a wide range of species: [as modifier]: homeobox gene
More 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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