Encyclopedia > G > Genetic redundancy
Genetic redundancy
Genetic redundancy is seen when a mutation in a gene has little effect on an organism's phenotype because its lost activity is compensated for by the function of a different gene or genetic pathway. In classical Mendelian genetics experiments this manifests as a form of epistasis where the vast majority of the progeny of a dihybrid cross have normal or near normal phenotypes and only the double homozygous recessive genotype shows a severe mutant phenotype.
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