Bob Gives Up a Chance to Marry and Have a Family

question 11

Multiple Choice

Bob gives up a chance to marry and have a family in order to go to work in a distant country. Had he married, he would have had two surviving offspring. He sends money back to his sister, who as a result produces five surviving offspring instead of the two she would have had without Bob's assistance. What was Bob's cost to himself in units of direct fitness (such as children) ?

• A) 1
• B) 1.5
• C) 2
• D) 3

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Definitions:

Radius

One of the two long bones in the forearm, extending from the elbow to the wrist, it plays a crucial role in the movement and stabilization of the forearm and hand.

Ulna

One of the two long bones in the forearm, extending from the elbow to the smallest finger, and plays a role in movement and stability.

Malleus

A small bone in the middle ear that is attached to the eardrum; also called the hammer.