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Allele

Definition(s)

Variant forms of the same gene. Different alleles produce variations in inherited characteristics such as eye color or blood type.

Definition from: Office of Rare DiseasesThis link leads to a site outside Genetics Home Reference. at the National Institutes of Health

One of the alternative versions of a gene at a given location (locus) along a chromosome

Definition from: GeneTestsThis link leads to a site outside Genetics Home Reference. from the University of Washington and Children's Health System, Seattle

One of the variant forms of a gene at a particular locus, or location, on a chromosome. Different alleles produce variation in inherited characteristics such as hair color or blood type. In an individual, one form of the allele (the dominant one) may be expressed more than another form (the recessive one).

Definition from: Talking Glossary of Genetic TermsThis link leads to a site outside Genetics Home Reference. from the National Human Genome Research Institute

Related discussion in the Handbook

 
Published: January 23, 2009