Biology 0610 · IGCSE · Sexual reproduction in humans

Sexual reproduction in humans — practice question

The diagram presents an abnormal sperm cell. Why would this abnormal sperm cell be unable to fertilise an egg?

  • AIt has no acrosome so is unable to digest the jelly coat of the egg.
  • BIt has no mitochondria so lacks energy to swim to the egg.
  • CIt has no flagellum so cannot swim to the egg.
  • DIt has no nucleus so cannot fuse with the egg.

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