When Two Ova Are Released and Both Are Fertilized by Sperm

question 52

Multiple Choice

When two ova are released and both are fertilized by sperm, what type of twins result?

• A) Fraternal twins
• B) Identical twins
• C) Either fraternal or identical twins.
• D) Neither, only one egg at a time can be fertilized and twins result if that egg splits in two.

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Definitions:

Doctors

Medical professionals who are licensed to diagnose and treat illnesses, perform surgery, and prescribe medication to patients.

Dopamine System

A complex network within the brain that's responsible for regulating pleasure, reward, and motivation, primarily through the neurotransmitter dopamine.

Brain

The organ in the head of humans and other vertebrates that controls the body's actions and responses, processes sensations, and is the center of thought and emotion.

Schizophrenia

A chronic and severe mental disorder affecting how a person thinks, feels, and behaves, characterized by episodes of delusions, hallucinations, and cognitive challenges.