One of two alternative forms of a genes that can have the same locus on homologous chromosomes and are responsible for alternative traits

Wiktionary Word definitions in Wiktionary
n. (context genetics English) one of a number of alternative forms of the same gene occupying a given position on a chromosome

WordNet Word definitions in WordNet
n. one of two alternate forms of a gene that can have the same locus on homologous chromosomes and are responsible for alternative traits; "some alleles are dominant over others" [syn: allele ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Allelomorph \Al*le"lo*morph\, n. [Gr. ? of one another + Gr. morfh` form.] (Biol.) One of the pure unit characters commonly existing singly or in pairs in the germ cells of Mendelian hybrids, and exhibited in varying proportion among the organisms themselves; ...