A 50-year-old male was recently diagnosed with Huntington disease.Transmission of this disease is associated with:

Question

Quizplus · Accepted Answer

A key feature of Huntington disease is its delayed age of onset such that symptoms are not seen until 40 years of age or later.
The penetrance of a trait is the percentage of individuals with a specific genotype who also exhibit the expected phenotype.
Recurrence risk is the percentage of family members that will inherit the disease.
Expressivity is the extent of variation in phenotype associated with a particular genotype.

A 50-Year-Old Male Was Recently Diagnosed with Huntington Disease