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In Down's syndrome, one extra chromosome is added to
In Down's syndrome, one extra chromosome is added to
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Solution
The correct option is A 21st pair
In Down syndrome, also called as trisomy 21, a child gets an extra chromosome 21 - for a total of 47 chromosomes instead of 46. It is this extra genetic material that causes the physical features and developmental delays associated with DS.
In Down syndrome, also called as trisomy 21, a child gets an extra chromosome 21 - for a total of 47 chromosomes instead of 46. It is this extra genetic material that causes the physical features and developmental delays associated with DS.
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