Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Which statement concerning a diploid human cell is correct?

  • AThere are 22 chromosomes and an X or a Y chromosome.
  • BThere are 22 pairs of chromosomes and two sex chromosomes.
  • CThere are 23 chromosomes.
  • DThere are 23 pairs of chromosomes and two sex chromosomes.

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