Biology 0610 · IGCSE · Chromosomes, genes and proteins

Chromosomes, genes and proteins — practice question

Which of the following statements correctly describe the sex chromosomes found in human gametes? 1 Egg cells have either an X or a Y chromosome. 2 Egg cells have only X chromosomes. 3 Sperm cells have either an X or a Y chromosome. 4 Sperm cells have only Y chromosomes.

  • A1 and 3
  • B1 and 4
  • C2 and 3
  • D2 and 4

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