epistasy
/ɪˈpɪstəsi/
noun
- Variant spelling of epistasis; the interaction of genes where one gene masks another.
- In historical papers, you might see 'epistasy' instead of the modern 'epistasis'.
- Some scientists prefer 'epistasy' to describe gene masking in certain contexts.
- The textbook used the older spelling 'epistasy' for the same genetic concept.