Which of the Following Best Estimates the Occurrence of the X-Linked

question 47

Multiple Choice

Which of the following best estimates the occurrence of the X-linked recessive disorder Duchenne muscular dystrophy in all births per year as shown in the figure below?

• A) 0.03 percent
• B) 0.15 percent
• C) 0.015 percent
• D) 0.5 percent

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Definitions:

Inductive Reactance

The opposition to the change of electric current in an inductor, measured in ohms.

Impedance

A measure of the opposition that a circuit presents to the passage of alternating current, expressed in ohms and combining resistive and reactive elements.

Resistance

The property of a material or component that opposes the flow of electric current, measured in ohms (Ω).

Magnetic Field

A field around a magnetic material or a moving electric charge within which the force of magnetism acts.