Behavioral Genetics: Mattering + History

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Questions and Answers

What did Galton introduce to assess the roles of nature and nurture?

  • The use of twins (correct)
  • Percentile rankings
  • Correlation analysis
  • Family studies

Which of the following statistical concepts did Galton found?

  • Standard deviation
  • Mean
  • Regression analysis
  • Median and percentiles (correct)

What was Galton's view on the relative importance of nature and nurture?

  • Nature and nurture are equally important
  • The roles of nature and nurture cannot be determined
  • Nature prevails enormously over nurture (correct)
  • Nurture prevails over nature

What was the motivation behind Galton's work on heredity and behavior?

<p>To understand the mechanisms of evolution and adaptation (B)</p> Signup and view all the answers

What did Charles Darwin's book 'On the Origin of Species' primarily focus on?

<p>The remarkable adaptations of species to their environment (D)</p> Signup and view all the answers

Which statement best describes the relationship between Galton's work and Darwin's theory of evolution?

<p>Galton's work was a natural extension of Darwin's theory (C)</p> Signup and view all the answers

Which statement best describes the role of family studies in behavioral genetics?

<p>Family studies by themselves cannot disentangle genetic and environmental influences (C)</p> Signup and view all the answers

What was Galton's contribution to the field of statistics?

<p>He invented the concept of correlation (C)</p> Signup and view all the answers

Which statement best describes the relationship between Galton's work and the advances made in behavioral genetics?

<p>Galton's work was a product and a cause of the advances in behavioral genetics (B)</p> Signup and view all the answers

What is the significance of Galton's finding that 'a higher number of extremely able individuals are found among relatives than expected by chance'?

<p>It provides evidence for the hereditary nature of intelligence (D)</p> Signup and view all the answers

What is the main point of the Scarr-Rowe hypothesis?

<p>High SES amplifies the difference between individuals with genetic predispositions. (B)</p> Signup and view all the answers

What does the Compensatory Advantage Hypothesis (CAH) propose?

<p>High SES compensates for genetic challenges. (D)</p> Signup and view all the answers

What is the significance of missing heritability in genetic studies?

<p>It represents the gap between heritability estimates from twin/family studies and polygenic signals. (B)</p> Signup and view all the answers

Why are candidate gene studies deemed unreliable?

<p>Most candidate genes could not be replicated. (C)</p> Signup and view all the answers

How do social environments affect the selection of talents according to the text?

<p>Social environments restrict individuals' freedom to select their talents. (A)</p> Signup and view all the answers

Why is the era of candidate genes referred to as the 'dark ages of genetics'?

<p>Most candidate genes could not be replicated and were deemed untrustworthy. (D)</p> Signup and view all the answers

What is one major limitation of individual candidate genes when it comes to explaining variance?

<p>They rarely replicate and usually explain less than 0.1% of the variance in traits. (C)</p> Signup and view all the answers

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