According to kin selection and Hamilton's rule,a person should die to save the life of
A)one full brother.
B)two half brothers.
C)four grandparents.
D)one parent.
E)nine cousins.

Question

Quizplus · Accepted Answer

Hamilton's rule states that an individual should sacrifice themselves if the cost is less than the benefit to relatives, weighted by their relatedness. The relatedness to a cousin is 1/8, so saving nine cousins (9 x 1/8 = 1.125) outweighs the cost of one's own life (1).

According to Kin Selection and Hamilton's Rule,a Person Should Die