hemizygous Hear it!

hemizygous definition

hemi·zygous (hem′i zī′gəs)

adjective

being or having a gene, esp. one on the X chromosome, that lacks an allelic complement and which therefore always expresses the trait which it carries

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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