If the Direct Fitness Cost to a Donor Is 6

question 35

Short Answer

If the direct fitness cost to a donor is 6 and the indirect fitness benefit to the recipient is 30, is altruistic behavior likely to evolve between cousins? Is the altruistic behavior likely to evolve between full siblings?

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Definitions:

Irritated

Feeling annoyance or discomfort, often due to a specific cause or situation.

Partners' Annoying Habits

Behaviors or actions by a partner in a relationship that are irritating or bothersome to the other person.

Propinquity Effect

The tendency for people to form friendships or romantic relationships with those whom they encounter often, making physical proximity a factor in relationship formation.

Waist-to-Hip Ratio

A measurement used to assess the distribution of body fat, calculated by dividing the waist circumference by the hip circumference.