hemi·zy·gous adjective \ˌhe-mi-ˈzī-gəs\
: having or characterized by one or more genes (as in a genetic deficiency or in an X chromosome paired with a Y chromosome) that have no allelic counterparts
First Known Use of HEMIZYGOUS
hemi·zy·gous adjective \-ˈzī-gəs\ (Medical Dictionary)
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