Mr. Wayne is a 38-year-old man with a significant family history of elevated cholesterol levels. His father died at age 42 from a massive heart attack secondary to elevated cholesterol and triglycerides, and two of his older siblings are currently taking medications to lower their cholesterol levels. Mr. Wayne makes an appointment to discuss his risk for hypercholesterolemia. The nurse recognizes that Mr. Wayne is at risk for familial hypercholesterolemia because this is an autosomal dominant inherited condition. (Learning Objective 2)
Describe the pattern of autosomal dominant inheritance.
Mr. Wayne asks what chance his children have of developing familial hypercholesterolemia. How should the nurse respond?
Explain the phenomenon of penetrance observed in autosomal dominant inheritance.
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The genes located on the chromosomes in our cells, provide the genetic information about growth, development and function of our bodies. A change in this genetic information causes genes not to work properly which is called mutation. The pattern of i…
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