Blue Light Is a Portion of the Visible Spectrum That

question 7

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

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