Incomplete penetrance-variable expressivity-pleiotropy

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Reference no: EM1388443

1. Critically discuss how incomplete penetrance, variable expressivity, pleiotropy, and genetic heterogeneity can affect the severity of disease in family.

2. A person can lower risk of preventable kinds of cardiovascular disease by exercising regularly and following diet low in saturated fats and simple carbohydrates and high in fruits and vegetables. Why are these approaches ineffective against long QT syndrome?

3. Explain how the molecular bases of the various forms of long QT syndrome make genetic heterogeneity very likely

Reference no: EM1388443

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