Primate Sexuality Week 1
Primate Sexuality Week 1 EvAnth 333L
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This 2 page Class Notes was uploaded by Pooja Mehta on Tuesday January 19, 2016. The Class Notes belongs to EvAnth 333L at Duke University taught by Dr. Drea in Spring 2016. Since its upload, it has received 57 views. For similar materials see Primate Sexuality in anthropology, evolution, sphr at Duke University.
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I was sick all last week and these notes were exactly what I needed to get caught up. Cheers!
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Date Created: 01/19/16
I. General Information 1. Dr. Drea (pronounced Dre) A. We’re learning about sex from dr. drea 2. Discussions are optional A. Have quizzes to help with understanding of material B. Quizzes aren’t factored into final grade unless it helps you 3. For reading A. PAY ATTENTION TO FIGURES B. Make sure to read the big points. Don’t worry about the miniscule details C. Come to lecture first, do the readings after 4. Pet peeves A. Inappropriate STINFS B. Phones and stuff. DO NOT HAVE RINGER ON LOUD C. No sleeping in class D. Don’t send stupid emails the night before an exam II. What is sex—Physiological 1. General Public: Sexual intercourse, having sex, a naked man and a naked woman getting it on 2. Physician: Risk of HIV, STDs, etc. 3. Juxtaposition between fun and risk A. Sex feels good so that people will continue to do this B. If it felt bad, you wouldn’t do it, and the genes wouldn’t get passed on. Evolutions way of making sure sex keeps happening C. There is significant risk to this behavior, that’s why its so fun 4. Risks A. STDs B. When having sex, you’re not really paying attention to anything else i. When animals are going at it, they are very vulnerable to attack from predators, falling/injuries, etc. C. Semen is entering the female reproductive tract, basically introducing something foreign which the immune system strives to eliminate i. Arms race: immune system of female works to eliminate the sperm, male sperm works to fertilize the egg before getting killed D. Hygiene. The waste management system and the reproductive center are the same place. Infection and stuff E. Social consequences—in the wild, you have sex in front of other members, including alpha males. Risk of retaliation by others watching III. What is sex—Biological 1. Aka gender 2. How to differentiate between males and females A. Genetics: XX vs XY B. Type of Genitalia C. Secondary sex characteristics 3. Genetic sex vs. chromosomal sex vs. phenotypical sex 4. True indicator of sex Differentiation is often based on the types of gametes this individual produces 5. “To sex”: going through and looking at the gametes to see if an organism is male or female 6. Could also be considered the sum of characteristics by which a male and female of a species are differentiated 7. Drea: no matter what variation of sex you’re born with, you’re stuck with it, it is permanent A. Political correctness vs biological validity B. You can have a sex change, but if you were born producing sperm, you will never be able to produce eggs. You’ll still be XY even if you look XX C. You can have gender reassignment, but not a true sex change IV. Evolution of sex 1. There are other options for reproduction: budding, cloning, etc 2. Sex allows for genetic variation and recombination 3. When evolution of sex came about, also allowed for evolution of sexual selection 4. Searching for mates also led to social restrictions on sex V. What is sexuality 1. The act, and the behavior and the tendencies that come with it
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