A Female Mouse from a True-Breeding Wild-Type Strain Was Crossed $$\begin{array} { | l | l | } \hline \text { all wild type } & 200 \\\hline\end{array}$$

question 63

Multiple Choice

A female mouse from a true-breeding wild-type strain was crossed to a male mouse with apricot eyes (ap) and grey body (gy) .The F₁ mice were wild-type for both traits.When the F₁ were interbred, the F₂ were distributed as follows: Females
$$\begin{array} { | l | l | } \hline \text { all wild type } & 200 \\\hline\end{array}$$ Males
$$\begin{array} { | l | r | } \hline \text { wild type } & 91 \\\hline \text { apricot } & 11 \\\hline \text { grey } & 9 \\\hline \text { apricot, grey } & 89 \\\hline\end{array}$$ Which of the following statements is correct?

• A)ap and gy are unlinked
• B)ap and gy are linked on an autosome and 10 map units apart
• C)ap and gy are linked on an autosome and 20 map units apart
• D)ap and gy are X-linked and 10 map units apart
• E)ap and gy are X-linked and 20 map units apart

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Definitions:

Variable Costing

An accounting method that includes only variable production costs—direct materials, direct labor, and variable manufacturing overhead—in product costs, excluding fixed overhead.

Direct Labor Cost

The total cost of labor directly involved in the production of goods, including wages and benefits.

Break-Even Point

The level of sales at which profit is zero.

Units Sold

The quantity of product units sold by a company during a particular period.