How Many Different Types of Cones Make Up Normal Human

question 168

Multiple Choice

How many different types of cones make up normal human color vision?

• A) two
• B) three
• C) four
• D) five

---

Definitions:

Complimented

Having been praised or positively remarked upon, typically regarding one's actions or attributes.

Stranger

An individual who is not known personally or is unfamiliar to someone else.

Symmetrical

Having identical form or arrangement on both sides of a dividing line or plane.

Physically Attractive

Pertaining to characteristics of a person's appearance that are appealing or desirable to others.