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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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Which one of the following conditions in human beings is correctly matched with its chromosome complement ?
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Correct option: C
Down’s syndrome – 45+XY
Option C (Down’s syndrome – 45+XY) is correct because individuals with Down syndrome have an extra chromosome 21, resulting in a total of 47 chromosomes (45 autosomes + XY).
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