Health Dictionary

Table of Contents > Health Dictionary > Genetic heterogeneity

Genetic heterogeneity

Production of the same or similar phenotypes (observed biochemical, physiological, and morphological characteristics of a person determined by his/her genotype) by different genetic mechanisms. There are two types: allelic heterogeneity, when different alleles at a locus can produce variable expression of a condition; and locus heterogeneity, the term used to describe disease in which mutations at different loci can produce the same disease phenotype.

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