Ch 3 - Nature Nurture & Human Diversity

Ch 3 - Nature Nurture & Human Diversity - Nature...

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Nature, Nurture & Nature, Nurture & Human Diversity Human Diversity Ψ 100 100 Oct 6 Oct 6 ‘08 08 True or False True or False 1) Even complex human traits are determined by a single gene. 2) People’s differing divorce risks are about 50 percent attributable to genetic factors. 3) Adoptees’ traits bear more similarities to their adoptive parents than to theirbiological parents. 4) Two children in the same family are on average as different from one another as are pairs of children selected randomly from the population. 5) If after a worldwide catastrophe only Icelanders or Kenyans survived, the human species would suffer a huge reduction in its genetic diversity. 6) In many places around the world, females are more likely than males to initiate sexual activity. 7) A child who hears English spoken with one accent at home and another in the neighbourhood and at school invariably adopts the accent of his or her peers, not the parents. 8) Compared with Westerners, people in Japanese cultures exhibit greater concern for social harmony and loyalty. 9) Seven weeks after conception, males and females remain anatomically indistinguishable. 10) Even when families discourage traditional gender-typing, children still organize themselves into “boy worlds” and “girl worlds,” each guided by rules for what boys and girls do. Overview Overview Behaviour Genetics Heritability Nature vs Nurture Evolutionary Psychology Parents & Peers Cultural Influences Gender Development
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Learning Objectives Learning Objectives Give examples of differences and similarities within the human family. Describe the types of questions that interest behaviour geneticists. Define chromosome, DNA, gene, and genome, and describe their relationships. Explain how identical and fraternal twins differ, and cite ways that behaviour geneticists use twin studies to understand the effects of environment and heredity. Cite ways that behaviour geneticists use adoption studies to understand the effects of environment and heredity. Discuss how the relative stability of our temperament illustrates the influence of heredity on development. Discuss heritability’s application to individuals and groups, and explain what we mean when we say genes are self-regulating. Give an example of a genetically influenced trait that can evoke responses in others, and give another example of an environment that can trigger gene activity. Identify the potential promise and perils of molecular genetics research. Describe the area of psychology that interests evolutionary psychologists. State the principle of natural selection, and point out some possible effects of natural selection in the development of human characteristics. Learning Objectives Learning Objectives Identify some gender differences in sexuality.
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Ch 3 - Nature Nurture & Human Diversity - Nature...

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