A Female Mouse from a True-Breeding Wild-Type Strain Was Crossed

Essay

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 (200 total): $$\begin{array} { | l | l | r | } \hline \text { Females: } & \text { all wild type } & \\\hline \text { Males: } & \text { wild type } & 91 \\\hline & \text { apricot } & 11 \\\hline & \text { grey } & 9 \\\hline & \text { apricot, grey } & 89 \\\hline\end{array}$$
Explain these results.