heterozygote

n.
An organism that has different alleles at a particular gene locus on homologous chromosomes.

n

An organism whose somatic cells have two different alle-lomorphic genes on the same locus of each pair of chromosomes. It can produce two different types of gametes.

(hĕt'ə-rō-zī'gōt')
n.

An organism that has different alleles at a particular gene locus on homologous chromosomes.

An individual exhibiting heterozygosity. Detection is critical in most programs to control genetic defects; methods used include karyotyping (rarely successful), test mating, blood typing, a full clinical pathology test spectrum, radiology.