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).
* * *
Denoting a trait in an inbred pedigree that exhibits quasidominance.

Medical dictionary. 2011.

Look at other dictionaries:

  • quasidominant inheritance — inheritance characterized by an apparently dominant pattern, but actually resulting from the mating of a carrier of a recessive gene with an individual homozygous for the recessive allele …   Medical dictionary

  • Prefixes, medical — Medical words are often put together, cobbled from two or more building blocks. Among these building blocks are the prefixes. Examples of prefixes used in medicine include: {{}}a : Prefix much employed in the health sciences indicating “not,… …   Medical dictionary

  • Quasi- — Prefix meaning seemingly. As, for example, in quasidominant, seemingly dominant. * * * [L. quasi as if, as though] a prefix meaning almost, seemingly, or resembling …   Medical dictionary

  • quasidominance — Simulation of dominant inheritance of a recessive trait, e.g., a heterozygote mating with an affected homozygote resulting in the manifestation of the recessive trait generation after …   Medical dictionary

  • pseudodominant — pseu·do·dom·i·nant (soo″do domґĭ nənt) 1. pertaining to pseudodominance (def. 1). 2. quasidominant …   Medical dictionary

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