BIOLOGY 1M03 Lecture Notes - Lecture 25: Haplodiploidy, Homo Sapiens, Reciprocal Altruism
22 Apr 2017
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Lecture 6 - dr. quinn - reciprocal altruism. Haplodiploidy and relatedness between offspring and siblings. Use rare allele hypothesis, and the two paths that we talked about. Individuals that have the genetic constitution to act in a particular way. Individuals are behaving as they would naturally. Individual recognition, if you"re the one that is always paying for the coffee, you need to recognize that person: detection and punishment of cheaters. Vampire bats: feed on blood, cannot survive, more than 3 days without feeding, associate with kin and non kin roost mates, regurgitate to kin. !1: if the other sibling doesn"t have enough food, we will regurgitate blood to kin, but they also give blood to non kin that would give blood to them. Thursday, march 9, 2017: cost to the donor is 55 of body weight. Bene t to recipient of 5% body weight: only needs to give off a small amount of blood.
