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    Exam 5: Prenatal Factors Affecting Development
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    Down Syndrome Is Caused by Having
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Down Syndrome Is Caused by Having

Question 28

Question 28

Multiple Choice

Down syndrome is caused by having:


A) One #21 chromosome
B) Three #18 chromosomes
C) Three #21 chromosomes
D) One #18 chromosome
E) Three #19 chromosomes

Correct Answer:

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