Synonym for hemizygous ... <genetics> A situation within a cell where only one copy of a gene or group of genes is present instead of the usual two copies per gene in a diploid genome. The word is used as in the following example: the cell is hemizygous for gene X. ... (09 Oct 1997) ... 
Type: Term Pronunciation: hem′i-zī-got′ik Synonyms: hemizygous