Question

# A woman with $$47$$ chromosomes due to presence of additional $$21$$ chromosome is characterised by.

A
Super femaleness
B
Turner's syndrome
C
Down's syndrome
D
Triploidy

Solution

## The correct option is A Down's syndromeDown syndrome also known as trisomy 21, is a genetic disorder caused by the presence of all or part of the third copy of chromosome 21.Hence, a person suffering from it will have 47 chromosomes instead of normal 46.So, the correct answer is 'Down's syndrome'.Biology

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