What does Epistasis refer to in genetics?
Understand the Problem
The question is asking for the definition of the term 'Epistasis' in the field of genetics, specifically regarding its role in gene interaction.
Answer
Epistasis is when one gene masks or alters the expression of another gene's phenotype.
Epistasis refers to the interaction between genes where an allele of one gene masks or modifies the expression of another gene, affecting the phenotype.
Answer for screen readers
Epistasis refers to the interaction between genes where an allele of one gene masks or modifies the expression of another gene, affecting the phenotype.
More Information
In genetics, epistasis plays a crucial role in understanding complex traits and diseases as it contributes to the phenotype beyond simple Mendelian inheritance.
Tips
Confusing epistasis with dominance is common. Remember, dominance concerns alleles of a single gene, while epistasis involves interactions between different genes.
Sources
- Epistasis - National Human Genome Research Institute - genome.gov
- Epistasis: what it means, what it doesn't mean, and statistical ... - academic.oup.com
- Epistasis - Wikipedia - en.wikipedia.org
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