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In a human, how many chromosmes are present in :(a) a brain cell ?(b) a sperm in the testes ?(c) an egg which has just been produced by the ovary ?(d) a skin cell ?(e) a fertilised egg ? |
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Answer» (a) 46. (b) 23. (c) 23. (d) 46. (e) 46. |
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