Progeny of a cross between homozygous parents that differ in one pair of alleles (AA x aa).
A hybrid individual that is heterozygous for one gene or a single character. monohybrid cross A breeding experiment that uses parental varieties differing in a single character. monomer[Gk. monos, single + meros, part] The subunit that serves as the building block of a polymer.
The offspring of two homozygous parents that differ from one another in that each is homozygous for a different allele at only one gene locus.
Offspring of parents that differ in only one genetic characteristic. Usually implies heterozygosity at a single locus under study.