noun
- Plural of epistasis; instances in which one gene suppresses or masks the expression of another gene at a different locus.
Usage: genetics; technical
Examples
- The researcher studied several epistasies to understand how genes interact in the fruit fly.
- Epistasies complicate the prediction of phenotypic ratios in genetic crosses.
- Different types of epistasies can produce unexpected inheritance patterns.
- The textbook chapter explained epistasies with clear diagrams of gene interactions.