CPMT - 2002 (Zoology)

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Question 1 of 50

Down syndrome is caused due to which of the following?

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Increase in number of chromosomes in 21^st pair autosome

Decrease in number of chromosomes in 21^st pair autosome

Increase in number of chromosomes in 18^th pair autosome

Decrease in number of chromosomes in 18^th pair autosome

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