Normally, Only One Sperm Fertilizes an Egg

question 22

Multiple Choice

Normally, only one sperm fertilizes an egg. What role do other sperm play?

• A) They assist the fertilizing sperm in penetrating the egg.
• B) They trigger chemical changes in the egg.
• C) They dissolve the outer barriers surrounding the oocyte.
• D) They assist the fertilizing sperm in penetrating the egg and trigger chemical changes in the egg.
• E) They trigger chemical changes in the egg and dissolve the outer barriers surrounding the oocyte.

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Definitions:

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A Windows Control Panel applet that lets you view and control the hardware attached to the computer.

Digitizer

A device or technology that converts analog information into digital form, often used with touchscreens and drawing tablets to input data into computers.

Input Device

Hardware used to enter data and control signals into a computer or other devices, such as keyboards, mice, and microphones.

Webcam

Short for web camera, a small camera used for communicating via video across the Internet.