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Chapter Quizzes



This activity contains 25 questions.

Question 1.
Research shows that __________ genes lie along the human chromosomes.

 
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Question 2.
The DNA of humans and chimpanzees is between __________ percent identical.

 
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Question 3.
__________ are the sex cells, and contain __________ chromosomes.

 
End of Question 3


Question 4.
The exchange of chromosome segments during meiosis results in

 
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Question 5.
The sex of a baby is determined by

 
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Question 6.
A person whose 23rd pair of chromosomes is XY

 
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Question 7.
The case of PKU demonstrates that

 
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Question 8.
Which of the following is supported by research dominant and recessive diseases?

 
End of Question 8


Question 9.
Studies of mutation demonstrate that

 
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Question 10.
Somatic mutation

 
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Question 11.
Most children born with sex chromosome abnormalities

 
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Question 12.
Research on sex chromosome disorders show that

 
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Question 13.
In vitro procedures

 
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Question 14.
Gene therapy corrects genetic abnormalities by

 
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Question 15.
Grandparents are an example of __________ that can promote children's development.

 
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Question 16.
Higher-SES parents emphasize the importance of __________ for their children, whereas lower-SES parents emphasize __________.

 
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Question 17.
In both the United States and Canada, the poverty rate for single mothers with preschool children is nearly __________ percent.

 
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Question 18.
Of all Western nations, __________ has the highest percentage of extremely poor children.

 
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Question 19.
Among African Americans, living within an extended family tends to produce

 
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Question 20.
Cross-cultural research shows that

 
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Question 21.
Public policies safeguarding children and youth have been __________ in the United States and (to some extent) Canada than in other Western industrialized nations.

 
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Question 22.
In the United States, Social Security and Medicare consume __________ of the federal budget for the elderly.

 
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Question 23.
Which of the following is TRUE regarding Social Security in the United States?

 
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Question 24.
Because the environments of most twin pairs do not represent the broad range of environments found in the general population, it is often difficult to

 
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Question 25.
Heritability estimates

 
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