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heterochrony

[het-uh-rok-ruh-nee] /ˌhɛt əˈrɒk rə ni/
noun, Biology
1.
a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
Origin
1875-1880
1875-80; hetero- + chron- + -y3; compare German Heterochron
Related forms
heterochronic
[het-er-uh-kron-ik] /ˌhɛt ər əˈkrɒn ɪk/ (Show IPA),
heterochronistic, heterochronous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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