Blue Light Is a Portion of the Visible Spectrum That

question 2

Multiple Choice

Blue light is a portion of the visible spectrum that penetrates deep into bodies of water. Ultraviolet (UV) light, though, can penetrate even deeper. A gene within a population of marine fish that inhabits depths from 500 m to 1,000 m has an allele for a photopigment that is sensitive to UV light, and another allele for a photopigment that is sensitive to blue light. Which of the graphs in Figure 21.1 best depicts the predicted distribution of these alleles within a population if the fish that carry these alleles prefer to locate themselves where they can see best? Figure 21.1

• A) A
• B) B
• C) C
• D) D

---

Definitions:

Self-fulfilling Prophecy

A belief or expectation that an individual holds that comes true because the individual's behaviors align to fulfill that belief.

Prejudice

Preconceived opinion that is not based on reason or actual experience, often leading to discrimination.

Micro-aggression

Brief, everyday exchanges that send denigrating messages to individuals because of their group membership, often unintentional and unrecognized by the sender.

Devalued Group

A social group that is not respected or is considered inferior by the dominant culture or society.