Ambidirectional dominance

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Ambidirectional dominance occurs in a situation where multiple genes influence a phenotype and dominance is in different directions depending on the gene. The opposite situation, where all genes show dominance in the same direction, is called directional dominance.[1] According to Broadhurst, ambidirectional dominance is the result of stabilising selection in the evolutionary past.[1] Ambidirectional dominance has been found for exploratory behaviours in mice[2][3][4] and Paradise fish.[5]

References

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