Carrier
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- An individual who possesses one copy of a mutant allele that causes disease only when two copies are present. Although carriers not affected by the disease, two carriers can produce a child who has the disease. See also allele, mutation, heterozygous, homozygous
National Human Genome Research Institute - Cite This Source - This Definition - An individual who possesses an unexpressed, recessive trait.
Human Genome Project - Cite This Source - This Definition - heterozygous, homozygous, Imprinting, recessive
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