Use the Following Information to Answer the Question

question 19

Multiple Choice

Use the following information to answer the question. In a Drosophila experiment, a homozygous wild-type female was crossed with a yellow-bodied male. All of the resulting F1 flies were phenotypically wild type. Crossing the F1 flies resulted in F2 flies having the characteristics shown in the figure. Which of the following statements best describes the yellow body allele?

• A) It is recessive.
• B) It is codominant.
• C) It is dominant.
• D) It is incompletely dominant.

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Definitions:

Break-even Sales

The amount of revenue needed to cover both the fixed and variable costs, resulting in neither profit nor loss.

Unit Selling Price

The amount of money charged to a customer for a single unit of a product or service.

Unit Variable Costs

Costs that vary directly with the production volume, such as materials and labor, on a per-unit basis.

Contribution Margin Ratio

A financial metric that shows how much of a company's revenue is available after variable costs to cover fixed costs and generate profit.