In certain insect species the male bug will let himself be eaten by the female h

Question

In certain insect species the male bug will let himself be eaten by the female he is mating with. This process will reduce the males fitness but increSe the fitness of the offspring. Say this nutritional boost of eating the male improves the fitness of 209 offspring from 1 to 1.006, while reducing the dads fitness from 1 to 1-c. This process obeys hamiltons rule only if c is less than what value? In certain insect species the male bug will let himself be eaten by the female he is mating with. This process will reduce the males fitness but increSe the fitness of the offspring. Say this nutritional boost of eating the male improves the fitness of 209 offspring from 1 to 1.006, while reducing the dads fitness from 1 to 1-c. This process obeys hamiltons rule only if c is less than what value?

Explanation / Answer

rB > c, where r is the genetic relatedness, B is the additional reproductive benefit gained by the recipient of the altruistic act and c is the reproductive cost. The genetic relatedness between a parent and child is 0.5. B is 1.006 - 1 = 0.006. Hence rB = 0.003. Thus, c should be less than 0.003. Then only will it follow Hamilton's rule.

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