incomplete dominance

English

Noun

incomplete dominance (uncountable)

1. (genetics) The situation where the phenotype of the heterozygous phenotype is distinct from and often intermediate to the phenotypes of the homozygous phenotypes.

   The snapdragon flower colour is either homozygous for red or white. When the red homozygous flower is paired with the white homozygous flower, the result yields a pink snapdragon flower; this is the result of incomplete dominance.

Synonyms

• semidominance