异位显性

異位（上位）顯性是一個基因表現與另外一個或者幾個基因改變的現象。決定表現型的基因叫做「上位」，而表型與其它基因改變的基因叫做「下位」。異位（上位）顯性與一般的顯性不同，一般的顯性（英文：Dominance）指同一個基因座上面的等位基因相互影響，而異位（上位）顯性指不同一個基因座上面非等位基因相互影響。

參考資料
外部連結

• [http://intersnp.meb.uni-bonn.de/ INTERSNP] - a software for genome-wide interaction analysis (GWIA) of case-control and case-only SNP data, including analysis of quantitative traits.

*[https://web.archive.org/web/20090510014437/http://scienceaid.co.uk/biology/genetics/inheritance.html Science Aid: Epistasis] High school (GCSE, Alevel) resource.
*[https://web.archive.org/web/20180809122404/http://geneticinteractions.org/ GeneticInteractions.org]
*[https://web.archive.org/web/20190502091900/http://epistasis.org/ Epistasis.org]