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Question
Down's syndrome is also known as_________________.
Down's syndrome is also known as_________________.
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Solution
The correct option is A Trisomy
In normal humans, there are 46 chromosomes. However, in down's syndrome, there are 47 chromosomes. It is a genetic disorder caused due to an extra copy of chromosome 21. It is also called trisomy. Trisomy is a type of aneuploidy in which there is one extra chromosome present. The characteristics include delayed physical growth, low muscle tone, short stature, flat nasal bridge, protruding tongue.Thus, the correct answer is 'Trisomy.'
In normal humans, there are 46 chromosomes. However, in down's syndrome, there are 47 chromosomes. It is a genetic disorder caused due to an extra copy of chromosome 21. It is also called trisomy. Trisomy is a type of aneuploidy in which there is one extra chromosome present. The characteristics include delayed physical growth, low muscle tone, short stature, flat nasal bridge, protruding tongue.
Thus, the correct answer is 'Trisomy.'
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