PSY 351 Lecture Notes - Lecture 2: Gregor Mendel, Comparative Psychology, Gene Expression

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1 Sep 2017
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An introduction to brain and behavior (pt 2) Genes and behavior: more recent on the eld, many political and social rami cations (e. g. eugenics, nature vs. nature is not debated by scientists. From the strong principle of inheritance, any selected variety will tend to propagate its new and modi ed form. : the evolutionary basis for behavior is studied in the elds of comparative psychology and evolutionary psychology. Mendelian genetics: gregor mendel described the pattern of inheritance of physical traits, breeding peas to see their traits, said there were two particles for each trait that were passed on from generation to generation. Genes and behavior: genes do not encode behavior, characters, talents, genes make proteins (via rna), proteins in uence behavior by altering the excitability of neurons. Proteins: e. g. receptors, enzymes, structural elements of cells, transporters, they can have different sequences between individuals, these differences are encoded by genes, ex.

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