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Exam 20: Behavioral Genetics

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Question 21

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According to your text, research exploring the influence of genetics on behavior and mental processes has been inhibited by ____.

A) Darwin's theory of evolution
B) Watson's behaviorism
C) World War I
D) Skinner's work with rats

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Question 22

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Which of the following is likely to be a research topic in behavioral genetics?

A) examining the difference in IQ between a child and his or her identical twin
B) examining the difference in IQ between a child and his or her classmates
C) examining the difference in IQ between a child and his or her teachers
D) examining the difference in IQ between a child at age four and again at nineteen

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Question 23

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Billy and Jimmy are identical twins. As they grow older, ____.

Impressed with Darwin's theory of evolution, Sir Francis Galtonstarted the use of adoption, twin, and family studies. He is known for concluding that____ determines human behavior.

Tom and Mike are brothers. Tom is above average in mental ability whereas Mike is average. If their experiences are consistent with the research on the effects of genetics on environmental events, which of the following would most likely be true?

A cell in a human body has divided into two new cells. Because the cell divided through a process known as mitosis, how many chromosomes will be found in each of the two new cells?

Genes are composed of molecules of ____.

Rebecca spends a great deal of time researching her family tree. She begins to suspect that she probably has inherited several physical features and personality traits from her ancestors. To determine if her suspicions are correct, Rebecca will need to learn more about ____.

Hans and Franz are identical twins. As infants, they were adopted into two dissimilar families. A researcher conducting a long-term twin study followed both of their lives, and on their twentieth birthday, she placed them through a battery of tests. One of the tests claims to measure environmental experiences while excluding all genetic factors. If this test's claims are true, Hans and Franz should ____.

Ruofan is a psychology graduate student who studies how genes affect behavior. In other words, she conducts research in the field of ____.