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ExamsNEETBiology

A human zygote has

  1. 46 chromosomes
  2. 23 chromosomes
  3. 47 chromosomes
  4. 48 chromosomes

Correct answer: 46 chromosomes

Solution

A human sperm and egg each contribute 23 chromosomes. When they fuse at fertilization, the zygote becomes diploid with 46 chromosomes total.

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