Medical Definition of Quasidominant
Quasidominant: Pattern of inheritance that seems due to a dominant trait but is in fact due to the mating of a person who has a recessive disorder (with two copies of a gene causing the disease) with someone who is an asymptomatic carrier (with one copy of the same gene but no symptoms).Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/9/2016
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