heterochrony

[het-uh-rok-ruh-nee]

het·er·och·ro·ny

[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.

Origin:
1875–80; hetero- + chron- + -y3; compare German Heterochron

het·er·o·chron·ic [het-er-uh-kron-ik] , het·er·och·ro·nis·tic, het·er·och·ro·nous, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Heterochrony is always a great word to know.
So is genetics. Does it mean:
the science of heredity, dealing with characteristics of related organisms resulting from the interaction of their genes and the environment
the double membrane surrounding the nucleus within a cell
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