Skin Color in a Certain Species of Fish Is Inherited

question 9

Multiple Choice

Skin color in a certain species of fish is inherited via a single gene with four different alleles. One fish of this type has alleles 1 and 3 (S₁S₃) , and its mate has alleles 2 and 4 (S₂S₄) . If each allele confers a unit of color darkness such that S₁ has one unit, S₂ has two units, and so on, then what proportion of their offspring would be expected to have five units of color?

• A) 1/4
• B) 1/8
• C) 1/2
• D) 0

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Definitions:

Output

The total quantity of goods or services produced or supplied by a firm or economy within a certain period.

Product Price

The amount of money required to purchase a specific good or service offered in the market.

Units of Output

Measures the quantity of production or goods produced by a firm or industry during a given time period.

Purely Competitive Market

A market structure characterized by many sellers and buyers, homogeneous products, and easy entry and exit, leading to a situation where no single participant has market control.