Chapter 4 Behavior Genetics: Predicting Individual Differences; Evolutionary Psychology Flashcards

1
Q

Studies of the relative impact of nature and nurture on human differences in aggressiveness BEST illustrate the research efforts of:

A

behavior geneticists

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2
Q

Identifying some of the specific genes that contribute to substance use disorders would be of MOST direct interest to:

A

molecular geneticists.

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3
Q

______psychology uses the principles of natural selection to study behavior and the mind.

A

evolutionary

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4
Q

Mutation

A

a random error in gene replication that leads to a change

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5
Q

Which sequence correctly arranges the building blocks of life from smallest and MOST specific to largest and MOST inclusive?

A

gene > DNA > chromosome

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6
Q

The field of _____ studies the molecular structure and function of genes.

A

molecular genetics

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7
Q

Ants that become less sensitive to the repellents that are sprayed on them and are able to multiply are an example of:

A

natural selection.

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8
Q

Epigenetics

A

examines the environmental factors influencing the way genes are expressed in thought and behavior.

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9
Q

According to evolutionary biologist Richard Dawkins, _____ is “arguably the most momentous idea ever to occur to a human mind.”

A

natural selection

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10
Q

Approximately _____ percent of genes are shared by all human beings.

A

99.9%

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11
Q

Heritability refers to the extent to which trait variations among individuals are attributable to their differing:

A

genes

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12
Q

Scientists in the field(s) of _____ focus on developing theory and evidence to support the notion that “people are basically the same wherever you go.”

A

evolutionary psychology but not behavioral genetics

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13
Q

Humans’ and chimpanzees’ genetic codes are 99.4 percent functionally identical. This similarity is due to a(n):

A

common evolutionary ancestor.

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14
Q

The text explains the hierarchical organization of our genetic code by likening several of its components to a book, chapter, or word. By this analogy, word is to chapter as _____ is to _____.

A

gene; chromosome

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15
Q

Temperament, the precursor to personality, is a(n) _____ construct.

A

biological

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16
Q

Most traits do not reflect the influence of a single gene but rather a “whole orchestra” of genes, each making a small contribution. These traits are called:

A

polygenetic

17
Q

Threadlike structures of DNA molecules are called _____

A

chromosomes

18
Q

The text notes that one’s susceptibility to major depressive disorder is influenced by hundreds of genes. Susceptibility to depression is therefore a(n) _____ trait.

A

polygenetic