[Campbell Biology P.1077] A male individual is diagnosed with infertility due to sperm that a... | Practice Question

A male individual is diagnosed with infertility due to sperm that are unable to penetrate the outer layers of the egg, despite normal motility and overall morphology. Based on the information provided, which specific part of the sperm cell is most likely dysfunctional?

  • A: Tail
  • B: Mitochondria
  • C: Nucleus
  • D: Acrosome

Explanation

The text states that the acrosome is a specialized vesicle containing enzymes that help the sperm penetrate an egg. If sperm cannot penetrate the egg despite normal motility, the acrosome is the most likely dysfunctional part.