NEET 2026 Biology question
Given below are two statements : Statement I : Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II : Turner's syndrome is caused by the presence of an additional copy of the chromosomes. In the light of the above statements, choose the correct answer from the options given below :
Answer: (2)
Solution
Down's syndrome is due to trisomy of chromosome 21 (an additional copy of chromosome 21), so Statement I is incorrect. Turner's syndrome is due
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