The "Cri-du-Chat" syndrome is caused by a change in chromosome structure due to
A
Deletion
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B
Duplication
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C
Inversion
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D
Translocation
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Solution
The correct option is A Deletion Cri-du-chat or 'cat cry' syndrome is due to the deletion of a fragment from the small arm or p arm of the 5th chromosome. So, it is also referred to as 5p- (5p minus).