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How many pairs of chromosomes are there in a human fertilized egg?
1. 23 pairs
2. 46 pairs
3. 24 pairs
4. 48 pairs

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Correct Answer - Option 1 : 23 pairs

 

​In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.

  • Twenty-two of these pairs, called autosomes, look the same in both males and females.
  • The 23rd pair, the sex chromosomes, differ between males and females. Females have two copies of the X chromosome, while males have one X and one Y chromosome.

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