Chapter 1. Homosexuality: Nature or Nurture?

Synopsis

Human Development Video Activity
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You must read each slide, and complete any questions on the slide, in sequence.

Homosexuality: Nature or Nurture?

This clip explores the highly controversial question of whether a determinant for homosexuality can be discovered, and if so, is genetic makeup or environment the predominant factor in determining sexual orientation. Sets of twins are examined as case studies. Research explores genetic, prenatal, and nurturing components that may contribute to an individual’s sexual orientation.

Thumbnail Photo Credit: JGI/Jamie Grill/Getty Images

Question 1.1

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Correct! Childhood gender nonconformity is a strong predictor of homosexuality later in life, and choice of toys can be an example of gender nonconformity.
Incorrect. Childhood gender nonconformity is a strong predictor of homosexuality later in life, and choice of toys can be an example of gender nonconformity.

Question 1.2

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Correct! Dr. Michael Bailey describes the older brother effect as the more older brothers that a male has the greater his chance of being gay.
Sorry. Dr. Michael Bailey describes the older brother effect as the more older brothers that a male has the greater his chance of being gay.

Question 1.3

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Correct! Research on twins with different sexual orientations present real challenges for researchers and provide excellent opportunities for exploring how genetics, prenatal environment, and nurture all interact to create an individual’s sexual orientation.
Sorry. Twins with different sexual orientations present real challenges for researchers and provide excellent opportunities for exploring how genetics, prenatal environment, and nurture all interact to create an individual’s sexual orientation.

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