A Couple Has Given Birth to Their First Child,a Boy

question 4

Multiple Choice

A couple has given birth to their first child,a boy with a recessive disorder.The genetic counselor tells them that the risk of recurrence is one in four.Which statement is a correct interpretation of this information?

• A) The risk factor remains the same for each pregnancy.
• B) The risk factor will change when they have a second child.
• C) Because the parents have one affected child, the next three children should be unaffected.
• D) Because the parents have one affected child, the next child is four times more likely to be affected.

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Definitions:

Minimum Average Cost

The lowest point on the average cost curve, signifying the most efficient scale of operation for a firm.

Decreasing Cost

Decreasing cost refers to a situation where costs fall as the scale of production increases, often due to efficiencies or benefits gained from economies of scale.

Differentiated Product

A product that has unique characteristics compared to other products in the market, often highlighted through branding and quality to compete on factors other than price.

Downward Sloping Demand

A fundamental principle in economics that suggests demand for a product decreases as the price increases, illustrated by a demand curve that slopes downwards from left to right.