BIO 123 Lecture Notes - Lecture 4: Grace Coolidge, Coolidge Effect, Hormonal Contraception
Document Summary
Look on news recent discovery that has to do with sex, scientific study that was just published due 11/5. Read both and compare, did they make it more exciting, miss the point, turn in: article and study and one page paper (syllabus) A. a. berthold father of modern day endocrinology study of hormones. He was the first one to hypothesize chemical for male sexual behavior. He was interested in what causes male-typical anatomy and behavior in roosters (males have cones and wattles) Hypothesis- testosterone is the cause of male-typical anatomy and behavior. Causes males to do specific things (calling, mating, running, characteristics) Coolidge effect- sex drive often goes down with the organism that has been mating with the same mate, when a new mate, testosterone level goes up. In many species like roosters; sex drive goes up with many sex partners. Named after calvin and grace coolidge (30th president of the u. s)
