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heterochrony
[ het-uh-rok-ruh-nee ]
noun
, Biology.
- 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.
heterochrony
/ hĕt′ə-rō-krŏn′ē /
- A change in the timing or duration of an organism's ontogenetic development compared with an ancestral species, resulting in morphological differences between ancestor and descendant.
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Other Words From
- het·er·o·chron·ic [het-er-, uh, -, kron, -ik], heter·ochro·nistic heter·ochro·nous adjective
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Word History and Origins
Origin of heterochrony1
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