When a Zygote Divides into Two Cells That Separate

question 117

Multiple Choice

When a zygote divides into two cells that separate,

• A)the pregnancy will end.
• B)monozygotic twins will be born.
• C)dizygotic twins will be born.
• D)a Down syndrome baby will be born.

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Definitions:

Meninges

Three layers of protective tissue—dura mater, arachnoid, and pia mater—that encase the brain and spinal cord.

Dura Mater

The thick, durable outer membrane that covers the brain and spinal cord, providing protection against injury.

Nomenclature

A system or set of names or terms used in a particular science, discipline, or art, making up its specialized vocabulary.

Nationalities

Identifications of individuals based on their belonging to a particular nation, often tied to cultural, linguistic, or historical commonalities.