The Gene for Eye Color Is Dominant for Brown and Recessive

question 65

Multiple Choice

The gene for eye color is dominant for brown and recessive for blue. Tamesha has green eyes. Which of the following explains this?

• A) Dominant and recessive genes do not affect eye color.
• B) Tamesha is probably wearing colored contact lenses.
• C) Eye color is a discrete trait.
• D) Eye color is determined by the polygenetic principle

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Definitions:

Palatine Tonsils

A pair of soft tissue masses located at the rear of the throat, part of the immune system.

Red Blood Cells

Cells in the blood that carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

White Blood Cells

Cells of the immune system involved in defending the body against both infectious disease and foreign materials.

Spleen

An organ located under the ribcage and above the stomach in the left upper quadrant of the abdomen. It acts in filtering and storing blood as part of the immune system.