quasidominance

Simulation of dominant inheritance of a recessive trait, for example, a heterozygote mating with an affected homozygote resulting in the manifestation of the recessive trait generation after generation.

Synonym(s): false dominance, pseudodominance

Simulation by a recessive trait of the pedigree of dominant inheritance (i.e., recurrence in several generations) by repeated, and often occult, consanguineous matings.
Synonym(s): pseudodominance.