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प्रश्न
How many pairs of chromosomes are present in human beings? Out of these how many are sex chromosomes?
अति संक्षिप्त उत्तर
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उत्तर
- Human beings have 46 chromosomes (23 pairs) in each cell.
- Out of these, two (one pair) are sex chromosomes (XX in females, XY in males).
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