The definition of alleles are pairs or series of genes on a chromosome that determine the hereditary characteristics.(noun)
An example of an allele is the gene that determines hair color.
See allele in Webster's New World College Dictionary
Origin: Ger allel < Gr allēlōn, of one another
See allele in American Heritage Dictionary 4
Origin: German Allel
Origin: , short for Allelomorph, allelomorph
Origin: , from English allelomorph.
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