heterogenote

[ hĕt′ə-rō-jēnōt′ ]

n.

A microorganism containing an exogenous piece of genetic material that differs from the corresponding region of its original genome, but in a limited way resembles a heterozygote.

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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.