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December 8 - December 8 2010 Notes from the Movie-students...

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December 8, 2010 Notes from the Movie -students predicted that their mitochondria would be more similar to their own race -There is more variation within racial groups than between racial groups -are the peoplewho we call black more like blacks genetically speaking? -No, there is as much diversity within as there is between -there can be accumulations of genes in certain places over others -sickle cell anemia -misconception that it is an African disease -persists in certain populations around the world because of the relevant resistance to malaria -Arabia, South Asia, -the result of having ancestors who lived in malarial regions -We all go back to a common ancestor who came out of east Africa 100,000 years ago -not enough time to create a huge variation in genes, because humans reproduce very slowly -We share 98% of our DNA with chimpanzees -There is very little genetic difference among human beings -there is genetic difference in skin color, hair color -we focus on these because we can SEE these -we don’t classify people based on blood type because we cannot see it. -most traits and genetic sequences can be found in Africa -Race = Social and Historical, NOT Genetic -How many races are there? -as many as you believe there to be A-Eyewitness Testimony- How Accurate is it? 1- Erroneous eyewitness testimony is the most frequent cause of false convictions 2- Buckhout’s “staged assault on professor” data – 60% misidentification rate 3- Loftus’ Misinformation effect a. When post event info that has nothing to do with what we witnessed, can contaminate memories and lead us to making a mistake with what remember and what we witnessed b. Stop/Yield film where post-event questions resulted in “false memories” – the problem of source monitoring c.
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