Answer:
Son.
Explanation:
Hamilton's rule of the kin selection states that the inclusive fitness combines the number of the offspring with the number. The individual can able to ensure the production by supporting the others sibling.
Kin selection is positive is benefits are more than the cost applied. The individual will help the person only if the person is it son because in this case the benefits are much higher than the energy expand in the process of the flat tire.
Thus, the answer is son.
