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PSYC 109W (7)
Lecture 6

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Department
Psychology
Course
PSYC 109W
Professor
V.Gordon Rose
Semester
Fall

Description
PSYC 109W Lecture 6 EVOLUTIONARY PSYCHOLOGYNATURENURTURE Basic principles of Genetics ChromosomesStrands of DNA carrying genetic informationHuman cells each contain 46 chromosomes in pairs sex cells 23 singleEach chromosome thousands of genes also in pairsEach parent contributes 23 chromosome pairs which can be scrambled in over 8 million waysIndividuals share half of their genes with parents and full siblingsMore distant relatives share smaller portions of genesIdentical twins share 100 of their genesMost human characteristics are polygenic or influenced by more than one gene Genetic OverlapIdentical twins 100Fraternal twinsSiblingParentChild First degree r
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