A Man Is Found to Be Karyotypically 47,XYY

question 34

Multiple Choice

A man is found to be karyotypically 47,XYY.The presence of an extra Y chromosome most likely results from:

• A)nondisjunction in a maternal meiocyte at meiosis I.
• B)nondisjunction in a maternal meiocyte at meiosis II.
• C)nondisjunction in a paternal meiocyte at meiosis I.
• D)nondisjunction in a paternal meiocyte at meiosis II.
• E)unequal crossing over.

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Definitions:

Total Product Curve

A graphical representation showing how the total quantity of output produced by a firm varies with the quantity of a variable input, keeping all other inputs constant.

Average Product

The output per unit of input, such as the quantity of goods produced per unit of labor.

Diminishing Returns

An economic principle stating that as investment in a particular area increases, the rate of profit from that investment, after a certain point, cannot continue to increase and may decrease.

Labor Input

The amount of work contributed by employees, measured in hours or effort, used in the production of goods and services.