PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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In what disorder does a person have an extra copy on its 21 chromosome?
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Down Syndrome
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Sickle-Cell
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Hemophilia
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Cystic Fibrosis
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Explanation:
Detailed explanation-1: -Trisomy 21: About 95% of people with Down syndrome have Trisomy 21. With this type of Down syndrome, each cell in the body has 3 separate copies of chromosome 21 instead of the usual 2 copies.
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