The term _______ describes the percentage of individuals with a specific mutation who also exhibit the associated phenotype.
Understand the Problem
The question is asking for the term that describes the percentage of individuals with a specific mutation who also exhibit the associated phenotype. In genetics, this term is used to describe how often a particular gene expresses its characteristic phenotype.
Answer
Penetrance
The term penetrance describes the percentage of individuals with a specific mutation who also exhibit the associated phenotype.
Answer for screen readers
The term penetrance describes the percentage of individuals with a specific mutation who also exhibit the associated phenotype.
More Information
Penetrance can be complete (100%) or incomplete (less than 100%). Incomplete penetrance means that not everyone with the mutation will show the phenotype.
Tips
A common mistake is confusing penetrance with expressivity. Penetrance refers to whether the trait is expressed at all, while expressivity refers to the degree to which the trait is expressed.
Sources
- Penetrance - Wikipedia - en.wikipedia.org
- Genomics explainer: genotype and phenotype - garvan.org.au
- Penetrance - medlineplus.gov
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