All of the Following Are True of a Zygote EXCEPT

question 110

Multiple Choice

All of the following are true of a zygote EXCEPT ________.

• A)it is a hollow ball with an inner mass of cells and an outer layer
• B)it is the union of an ovum and a spermatozoon
• C)it contains 46 chromosomes
• D)pregnancy begins after the zygote begins to divide

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Definitions:

Endocrine Glands

glands of the endocrine system that secrete their products, hormones, directly into the blood rather than through a duct.

Chemical Messengers

Biological molecules that transmit signals from one cell to another, playing crucial roles in processes such as neurotransmission, hormonal activity, and immune responses.

Chromosomes

In the human cell, threadlike structures that come in 23 pairs, one member of each pair originating from each parent, and that contain DNA.

DNA

Deoxyribonucleic acid, a molecule that carries the genetic instructions used in the growth, development, functioning, and reproduction of all known living organisms and many viruses.