2007-10-18

2007-10-18 - 2007-10-18Mendel and the mechanisms of genetic...

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Unformatted text preview: 2007-10-18Mendel and the mechanisms of genetic transmission A mechanism for Natural SelectionUnitary elements of transmissionRecessive and dominant typesGenotype and phenotypeBiological inheritance in Human BehaviourDoes inheritance imply genetic determination of behaviour characteristics?Are some things instinctive or genetically determined and others the result of experience or the environment?Nature vs. NurtureNatural tendency to look for one or the other answersOften politically, religiously, or culturally motivatedoEx. IQ, womens rights, gay rights, aggressionThe question makes no senseEven natural tendencies or characteristics are not immutableoEx. Gender roles, aggressionThe Determinants of IQThe nature and assessment of intelligenceIllustrations are only examplesMuch debate regarding valid measures of intelligenceDrawbacks are that certain questions rely on how much schooling someone has had, and other cultural dependencesDoes IQ really matter? YES!oDeaths on highways see rightoSocio-economic statuesoEarningsoCareersoLongevityoJail timeConsistent and extremely high correlation between IQ scores and socio-economic status, employment, jail2 different positionsIntelligence Environment or Genes?oAnswer has always be influenced by political forcesoSocial classes, immigration (Ellis Island type situation), educational and social policyDeane: scientist who originally derived IQ tests to select people that would benefit from additional or differently structured schoolingDNA is not DestinyOnly a starting in emphasizing that genotype does not necessarily determine phenotypeGenotypic trait may be very different from those expressed in phenotypeoInfluence of experienceMarkings of a Siamese cat: they only develop if the cat grows up in a warm environment, so breeders wrap extremities (ears, legs, tails) to make sure the colour...
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This note was uploaded on 04/04/2009 for the course PSYCH 1000 taught by Professor Atkinson during the Spring '09 term at UWO.

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2007-10-18 - 2007-10-18Mendel and the mechanisms of genetic...

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