Additive genetic effects

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Additive genetic effects occur when two or more genes source a single contribution to the final phenotype, or when alleles of a single gene (in heterozygotes) combine so that their combined effects equal the sum of their individual effects.[1][2] Non-additive genetic effects involve dominance (of alleles at a single locus) or epistasis (of alleles at different loci).

See also[edit]


  1. ^ Rieger, R.; Michaelis, A.; Green, M.M. (1968), A glossary of genetics and cytogenetics: Classical and molecular, New York: Springer-Verlag, ISBN 9780387076683
  2. ^