Biology 5090 · O Level · Sexual reproduction in humans

Sexual reproduction in humans — practice question

Sperm cells are kept in a laboratory until they are ready for use in artificial insemination. The substances used to preserve the sperm cells have been found to harm the acrosomes. This causes fertility to decrease. Which statement explains why fertility may decrease?

  • AThe sperm cells are rejected by the egg cells.
  • BThe sperm cells cannot penetrate the egg cells.
  • CThe sperm cells cannot swim to the egg cells.
  • DThe sperm cells cannot detect the egg cells.

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