Complex segregation analysis of tongue pigmentation. A search for residual family resemblance.
Complex segregation analysis of tongue pigmentation in 493 nuclear families fails to indicate significant evidence for incomplete recessivity, polygenic variation, or an effect of sibship environment, thus establishing simple Mendelian inheritance for the trait.
D014644:Genetic Variation; D005828:Genetics, Population; D006801:Humans; D007194:India; D010858:Pigmentation; D013223:Statistics as Topic; D014059:Tongue