epistasis

(noun)

the modification of the expression of a gene by another unrelated one

Examples of epistasis in the following topics:

  • Epistasis

    • Epistasis occurs when one gene masks or interferes with the expression of another.
    • In epistasis, the interaction between genes is antagonistic: one gene masks or interferes with the expression of another.
    • "Epistasis" is a word composed of Greek roots that mean "standing upon."
    • An example of epistasis is pigmentation in mice.
    • Epistasis can also occur when a dominant allele masks expression at a separate gene.
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