Marfan Syndrome Can Be Caused by Mutations in Either of Two

question 9

Multiple Choice

Marfan syndrome can be caused by mutations in either of two genes,but mutations in one of the genes blocks activity of the other.This means that Marfan syndrome demonstrates

• A) variable expressivity and complete penetrance.
• B) an acquired phenotype.
• C) late onset and early onset.
• D) genetic heterogeneity and epistasis.
• E) none of the above.

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Definitions:

Payback Period

The amount of time it takes for an investment to generate an amount of income or cash flow to recover the cost of the investment.

Salvage Value

The projected sum an asset is expected to fetch at the end of its service life.

Cost Savings

The reduction in costs achieved through efficiency improvements, strategic purchase, or avoiding unnecessary expenses.

CCA Class

In Canadian taxation, a classification system for capital assets that determines the rate at which they can be depreciated.