allel

Noun

 * 1) * 1938, United States. National Resources Committee, Reports (issue 2, page 154)
 * Hence the female sex-chromosomes have a pair of normal allels for all the sex-determining factors borne in them, while the y-chromosome of the male lacks most of these allels, including the x-chromosomal sex-factors.
 * Hence the female sex-chromosomes have a pair of normal allels for all the sex-determining factors borne in them, while the y-chromosome of the male lacks most of these allels, including the x-chromosomal sex-factors.

Adjective

 * 1) allelic
 * 2) allelomorphic

Etymology
, and. Ultimately from the prefix  from.

Adjective

 * 1)  allelic, allelomorphic

Noun

 * 1)  allele

Etymology
, from. .

Noun

 * 1)  allele