Assume That a Black Guinea Pig Crossed with an Albino

question 21

Multiple Choice

Assume that a black guinea pig crossed with an albino guinea pig produced five black offspring. When the albino was crossed with a second black guinea pig, four black and three albino offspring were produced. What genetic explanation would apply to these data?

• A) albino = recessive; black = dominant
• B) albino and black = codominant
• C) albino = dominant; black = incompletely dominant
• D) albino = recessive; black = recessive
• E) None of the answers listed are correct.

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Definitions:

Substitution Effect

The economic principle that as prices rise or income decreases, consumers will replace more expensive items with less costly alternatives.

Income Effect

Variations in the income of an individual or an economy and the subsequent effects on the demand for goods or services.

Discrimination

Unfair or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.

Profitable

A state or condition of yielding a financial profit or gain; it is often considered after all expenses have been deducted.