facultative heterochromatin


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facultative heterochromatin

[′fak·əl‚tād·iv ¦ hed·ə‚rō′krō·mə·tən]
(genetics)
Chromosomal material that may alternate in form and function between euchromatin and heterochromatin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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