Science what is hemizygous????? Asked by nikita mishra 13 years ago 8/21/2012 5:07 AM Last updated by anonymous 12 years ago 11/26/2012 12:46 AM
Something that is hemizygous often has one or more genes that don't have allelic counterparts. Or, it can also peratin to a diploid cell that only has one copy of a gene instead of the usual two copies.