Evolutionary Biology BIOL 3350 Dr Lisa Rapaport Lecture 12 Part 2 Lecture 13 Part 1 Notes Kin Selection Social Behavior continued I II III IV Associative learning A Associative Learning individulas with whom one is raised are seen as kin Phenotype matching A Those that were reared alone stay alone B Those that were reared with kin prefer kin C Those that were reared with non kin do not have a preference Recognition alleles A No learning involved in recognition alleles B You recognize the genes that are identical by decent C This has been suggested for some species of tadpoles Naked Mole Rats A Only 1 female breeds B The workers maintain the burrow feed pups etc C The workers are sterile 1 Evolution and Human Health I Evolution of antibiotic resistance A Bacteria mutate at very fast rates B Bacteria can transfer plasmids between each other and thereby acquire resistance without even reproducing C Resistance can be obtain through loss of function mutations and gain D Those bacteria that are not resistant are not going to survive and of function mutations reproduce E Those bacteria that are resistant are the ones that will be more heavily represented in the subsequent generations II Natural selection and cancer A Metastasis cancer cell invasion that spreads outside the tissue of origin B Breast cancer 1 Natural selection favors things that are doing well early in life 2 The earlier you begin reproductive cycling estrogen exposure increases likelihood of getting breast cancer later in life because estrogen increases cell division 2
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