Use the following information to answer the next few questions.
Imagine that your house has caught fire. It is only yourself and your full-sibling brother in the house since your parents are gone on vacation. After escaping the house, you cannot find your brother and decide he must still be inside. There is a 25% chance that you will not survive the fire, and you each will produce two offspring each should you survive.
-Hamilton's Rule predicts that
A)C = 1.
B)rB = 2.
C)the cost of saving your brother outweighs the benefit.
D)rB = 0.5.
E)the benefits outweigh the cost and you attempt to save your brother.

Question

Quizplus · Accepted Answer

According to Hamilton's rule, an individual should behave altruistically towards another if the benefit to the recipient multiplied by the coefficient of relatedness (r) is greater than the cost to the actor. In this scenario, there is a 50% chance that your brother shares your genes, thus making the coefficient of relatedness 0.5. The benefit of saving your brother's life and potentially decreasing the trauma to your family (and future offspring) is likely greater than the cost of risking your own life. Therefore, you should attempt to save your brother.

Use the Following Information to Answer the Next Few Questions