sex1_S08 - The Biology of Sex Biol 10210 Organization for...

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Unformatted text preview: The Biology of Sex Biol 10210 Organization for Economic Cooperation and Development (OECD) Perspectives: nature vs. nurture debate phenotype = genotype + environmental effects behavior is heritable genetics play a significant role in behavior heritability = genetic variance / total variance mutant mouse missing the Oxt gene brain cannot produce oxytocin male cannot remember females with whom they recently interacted knockout of the TRP2 gene: disrupts olfaction, cannot detect males rather than fighting with other males, tries to mate with them Ithaca Journal, Jan. 22, 2003 Premise: given that humans are animals, the evolutionary constraints that shape animal behavior will also influence human behavior we can learn something about human behavior through studying animal behavior "Birds do it, bees do it Even educated fleas do it Let's do it, let's fall in love" Let's do it, let's fall in love by Cole Porter, 1928 "Birds do it, bees do it Even educated fleas do it Let's do it, let's fall in love" Let's do it, let's fall in love by Cole Porter, 1928 "You and me baby ain't nothin' but mammals, so lets do it like they do on the Discovery Channel" The Bad Touch by The Bloodhound Gang, 2000 Connections: Animal Behavior Sociobiology Evolutionary Psychology Example: infanticide comparison among very different species: lions Example: infanticide comparison among very different species: lions burying beetles Example: infanticide comparison among very different species: lions burying beetles tree swallows, some types of monkeys humans Example: infanticide comparison among very different species: lions burying beetles tree swallows, some types of monkeys humans common thread: avoid expending resources on unrelated offspring Definitions: Genotype Phenotype Evolution Anthropomorphism naturalistic fallacy genetic determinism Readings: WebCT, week1 ...
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