All of the Following Reasons-Except One-Explain Why So Many Sperm

question 54

Multiple Choice

All of the following reasons-except one-explain why so many sperm are ejaculated when only one is needed for fertilization.Which is the incorrect reason?

• A) Many sperm die by phagocytosis in the female tract.
• B) Many sperm swim up the wrong oviduct.
• C) The enzymes from many acrosomes are needed to penetrate the corona radiata.
• D) Many male pronuclei must be present in order to fuse with each female pronucleus.
• E) Many sperm die as a result of the unfavorable pH in the vagina.

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Definitions:

Glans Penis

A cone-shaped structure at the end of the penis.

Bulbourethral Gland

A gland in males that secretes a fluid into the urethra to lubricate the urethra and neutralize acids during sexual arousal.

Prostate Gland

A small, walnut-shaped gland in men that produces seminal fluid, which nourishes and transports sperm.

Seminal Vesicle

Glands located near the male bladder that secrete fluid, which is a component of semen.