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allele

One member of a pair of homologous genes in a diploid cell. An individual with identical alleles at a genetic locus is a homozygote; one with non-identical alleles is a heterozygote. In a case in which one allele leads to an observable gene product and the other has no phenotype, the functional allele is said to be dominant and the non-functional allele recessive.

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If you know of any terms that have been omitted from this glossary that you feel would be useful to include, please send detail to the Editorial Office at GenScript: website@genscript.com

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