About ____ Weeks After Conception, an Embryo's Ovaries or Testes

question 28

Multiple Choice

About ____ weeks after conception, an embryo's ovaries or testes have formed although the embryo's sex is not apparent by ultrasound.

• A) two
• B) four
• C) six
• D) eight

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Definitions:

Frontal

Relating to the front part; in anatomy, it often refers to the frontal lobe of the brain, key in controlling important cognitive skills.

Parietal

Relating to the wall of any cavity.

Projection Fibers

Nerve fibers that connect the cerebral cortex to other parts of the brain and to the spinal cord, facilitating communication between the brain and the rest of the body.

Cerebrum

The largest part of the brain, composed of the right and left hemispheres, responsible for complex brain functions such as thought and action.