g Enabled: Final Exam

You come back from winter break to discover that your socks have suddenly reproduced in your sock drawer. One parent is black, while the other is green. All the offspring are green$-$striped black.

Assume that socks are diploid, that color is controlled by a single gene, and that there are only two alleles of this gene.

Question:

When you cross two green$-$striped black socks, you would expect the following phenotypic ratio:

Multiple Choice

$100\%$ green$-$striped black

$50\%$ black; $50\%$ green$-$striped black

$75\%$ black; $25\%$ green

$50\%$ green$-$striped black; $25\%$ black; $25\%$ green