Bio Exam Notes Section 4.docx

When females are in control of their own fertility

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When females are in control of their own fertility, they are independent and allowed to  engage in activities promoting meme transmission which were typically restricted to men  (ie: investment in activities in: education, career development, accumulation of wealth,  involvement within the community, philanthropy, religious practices etc. ) o Women are exploring the other ways to leave a legacy via meme transmission, and there  is no one left to have children. (10) Evolutionary theory predicts that the traits of a species that are common tomorrow will include those of its predecessors, alive today, who are leaving the most descendants. If this is true, who, can we predict, will be the parents of the future? In other words, what basic drives or motivations might we expect them to have? Briefly describe the answer to this question that we considered in BIOL350. Parenting Drive : Women can choose to be childless so those who reproduce will have a strong parenting drive.  Memetic legacy through parenthood   Leisure drive will not encumber parenting drive. Replacement-level fertility  just enough children being born to replace the aging generation that is dying off. Previously (and still today in poor countries), there was a high lifetime fertility, with focus on gene transmission for women. Now, there is a low lifetime fertility, with focus on  meme transmission for women. In the future, we predict that there will be balanced transmission  - the parents of the future will put equal focus on meme transmission and gene transmission for  women.  Sex Drive : Technology has removed paternal uncertainty so no selection for strong sex drive. Those with stronger sex drives still won’t leave more offspring because of contraception Leisure Drive: Selection against atong leisure drive that distracts from accomplishment based memetic legacy  transmission Legacy Drive: Will persist in terms of perception of memetic legacy transmission through offspring (evolutionary  roots of legacy drive in ancestors). (11) According to Murray (2003, ‘Human Accomplishment’), of the 4000 most accomplished people that ever lived over the 1150 years between 800 BC and 1950, only about 2% were women. In BIOL350, we considered two interpretations of this that are
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based on historical impact of natural selection in affecting human thinking/behavior. Briefly distinguish these two interpretations. Sex drive   o Being accomplished was attractive to mates, and there for increased reproductive success. o Being accomplished is a product of sexual selection Legacy drive o Legacy drive is the desire to leave something of oneself into the future Women  know that their offspring are theirs, and don't need other activities to distract them   Men  don't know if the offspring is theirs, so do activities to distract them and to satisfy the  evolved desire to leave something of one's self into the future. Distracting activities include education, career development, accumulation of wealth, ect.  -   explains why men have been more accomplished in these activities than women.
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  • Fall '13
  • L.Aarssen
  • Evolution, Richard Dawkins, Leisure Drive, Legacy drive

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