different between homologous vs homeotic
homologous
English
Pronunciation
- IPA(key): /h??m?l???s/
Etymology
From Latinized form of Greek homologos "agreeing, of one mind" from homos "same" + logos "relation, reasoning"
From 1655, in the mathematical sense. See also homolog, homologue. (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Adjective
homologous (comparative more homologous, superlative most homologous)
- Showing a degree of correspondence or similarity.
- (mathematics) In corresponding proportion.
- (biology) Corresponding to a similar structure in another life form with a common evolutionary origin.
- (chemistry) Belonging to a series of aliphatic organic compounds that differ only by the addition of a CH? group.
- (genetics) Having the same morphology as another chromosome; relating to a homologue.
- (mathematics) In corresponding proportion.
Usage notes
- (biology) For a discussion of the use of the term "homology" (and by association "homologous") in biology, see: Patterson, Colin. "Homology in Classical and Molecular Biology." Molecular Biology and Evolution 5, no. 6 (November 1988): 603–625. http://mbe.oxfordjournals.org/cgi/reprint/5/6/603.pdf (accessed 18 December 2009; archived 18 December 2009, http://www.webcitation.org/5m7rn4rCe )
Antonyms
- heterologous
Derived terms
Related terms
- autologous
- homolog, homologue
- homologize
- homology
Translations
References
homologous From the web:
- what homologous chromosomes
- what homologous structures
- what homologous series is c9h20 a part of
- what homologous series is c5h8 a part of
- what homologous structures are found on the platypus
- what homologous series
- how to identify homologous chromosomes
- how to say homologous chromosomes
homeotic
English
Alternative forms
- homœotic
- homoeotic
Etymology
From homeosis +? -otic.
Pronunciation
- (UK) IPA(key): /h?mi???t?k/
- Rhymes: -?t?k
Adjective
homeotic (not comparable)
- Of or pertaining to homeosis
- 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 176:
- A certain segment of the body, in other words, had done something appropriate to a different segment of the body. Something had gone wrong with the homeotic genes.
- 2003, Bill Bryson, A Short History of Nearly Everything, BCA 2003, p. 365:
- Further probings revealed the existence of a clutch of master control genes, each directing the development of a section of body, which were dubbed homeotic (from a Greek word meaning ‘similar’) or hox genes.
- 1999, Matt Ridley, Genome, Harper Perennial 2004, p. 176:
Derived terms
- polyhomeotic
homeotic From the web:
- what homeotic genes control
- what are homeotic genes
- what do homeotic genes control
- what are homeotic genes quizlet
- what do homeotic genes control quizlet
- what does homeotic mean
- what do homeotic genes code for
- what are homeotic or hox genes
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