(genetics) One of a number of alternative forms of the same gene occupying a given position, or locus, on a chromosome.

plural of allele

In terms of alleles.

Of or pertaining to alleles. / Of or pertaining to alleles of the same gene.

(genetics) The degree to which the behaviour of a transcription factor is allele-specific

(genetics) The existence of two or more alleles of a gene

plural of allelism

Archaic form of allele.

plural of allel

(genetics) Such that one allele affects the expression of another allele in the same gene locus.