adjective Etymology: from homeosis, homoeosis a shift in structural development, from Greek homoiōsis assimilation, resemblance, from homoioun to make like, from homoios Date: 1894 relating to, caused by, or being a gene producing a usually major shift in the developmental fate of an organ or body part

New Collegiate Dictionary. 2001.

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  • homeotic — Pertaining to or characterized by homeosis. * * * ho·me·ot·ic also ho·moe·ot·ic .hō mē ät ik adj relating to, caused by, or being a homeotic gene <a homeotic mutant causing replacement of an antenna by a leg in a fruit fly>… …   Medical dictionary

  • homeotic — adjective Of or pertaining to homeosis …   Wiktionary

  • homeotic — /hoʊmiˈɒtɪk/ (say hohmee otik) adjective → homoeotic …   Australian English dictionary

  • homeotic — variant of homoeotic * * * homeotˈic or homoeotˈic adjective 1. Showing, depending on, or characterized by homeosis 2. (of a mutant) effecting large scale changes in development, eg in Drosophila, the substitution of a leg for a wing • • • Main… …   Useful english dictionary

  • Homeotic gene — Homeotic genes specify the anterior posterior axis and segment identity during early development of metazoan organisms. They are critical for the proper placement and number of embryonic segment structures (such as legs, antennae and eyes).The… …   Wikipedia

  • homeotic mutations — homeotic mutations. См. гомеозисные мутации. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • homeotic gene — n a gene that produces a usu. major shift in the developmental fate of an organ or body part esp. to a homologous organ or part normally found elsewhere in the organism …   Medical dictionary

  • homeotic gene — Gene, containing homeobox, the level of expression of which is set during embryogenesis in response to positional cues, and which then directs the later formation of tissues and appendages appropriate to that part of the organism. Mutation of… …   Dictionary of molecular biology

  • homeotic mutant — (= homoeotic mutant) A mutant in which one body part, organ or tissue, is transformed into another part normally associated with another segment. Examples are the antennapedia and bithorax complex mutants of Drosophila …   Dictionary of molecular biology

  • homeotic genes — a family of genes, first observed in Drosophila, that orchestrate the development of individual embryonic segments into specific body parts; they occur in one or more clusters, are expressed in specific patterns at particular stages in… …   Medical dictionary

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