Nature vs. Nurture Answers

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Explain the difference between dominant and recessive genes, and provide an example of each one.

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2
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Analyze the table below and answer the question that follows. If the ability to roll one’s tongue is dominant (R) and the inability to roll one’s tongue is recessive (r), what are the possible genotypes for someone who can roll their tongue?

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A
only RR
B
RR and Rr
C
RR and rr
D
only rr
3

Nature refers to __________, while nurture refers to __________.

A
environment . . . heredity
B
heredity . . . environment
C
environment . . . environment
D
heredity . . . heredity
4

Summarize the nature versus nurture debate, and explain how contemporary theorists view this debate.

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5

The ability of an individual to survive and reproduce refers to __________.

A
adaptation
B
evolution
C
fitness
D
heredity
6

Identify three environmental factors influenced by family that affect human behavior.

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7

All of the following are environmental influences except ____________.

A
living conditions
B
genes
C
prenatal care
D
media
8

Define chromosome, DNA, and gene. Describe their relationship.

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9

Which of the following statements is not true about genes?

A
Genes consist of hormones that regulate bodily functions.
B
Genes are DNA segments that are carried in each chromosome.
C
Genes serve as the biochemical units of heredity.
D
Genes operate in pairs and influence one’s physical traits.
10

What does Charles Darwin’s theory of natural selection state about traits?

A
Traits that increase the survival rate of a population are rarely passed on to future generations since they can affect reproduction.
B
Traits that prevent people from reproducing are passed on to future generations to ensure their survival.
C
Traits that make it more likely for a species to survive or reproduce become less common in a population over time.
D
Traits that provide a survival or reproductive advantage are more likely to be passed on to future generations.

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