LIFESCI 15 Lecture Notes - Lecture 12: Forego, Eye Contact, Fetus
Document Summary
Kindness: shared genes, more or less, depending on, our coefficient of relatedness, the relative cost and benefits of the act, reciprocity, more or less, depending on, repeated interactions, signals concerning the likelihood of reciprocation. Words and actions attesting to your intentions (honest signals are better) Reducing perceived vulnerability of potential altruists: receiving gifts (and favors) properly is as important as giving gifts, thank-you notes: essential, acknowledgement of debts: essential, eye contact: essential, using names: essential, assurances of future reciprocity are motivating. Naked mole rats: queen, non-reproductive workers, because of hundreds (maybe thousands) of generations of inbreeding, all individuals in a populations have extremely high coefficient of relatedness with each other. r-value is almost 1. Whe(cid:374) (cid:862)r(cid:863) is reall(cid:455) large (cid:894)as i(cid:374) i(cid:374)(cid:271)red spe(cid:272)ies(cid:895). Co(cid:374)fli(cid:272)t (cid:449)e should ha(cid:448)e e(cid:454)pe(cid:272)ted : a (cid:373)othe(cid:396)"s lo(cid:448)e fo(cid:396) he(cid:396) (cid:272)hild, there should be some conflict because r = 0. 5, rather than 1. 0, fetus: pu(cid:373)ps out a hor(cid:373)o(cid:374)e (cid:894)hpl(cid:895) that dilates (cid:373)other"s blood vessels.
