How does epistasis differ from Mendel's principle of dominance?
Ans: Epistasis differs from Mendel's principle of dominance in that when the epistatic gene is expressed as ee, the third trait, which is usually recessive is displayed and covers the main dominant or recessive one at the first loci. Pretty much it becomes dominant over either expression that happens to be expressed when the epistatic gene is heterozygous (Ee) or homozygous dominant (EE).
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