If Two Genes are Not Linked,then the Expected Phenotypic Ratio

Question

If two genes are not linked,then the expected phenotypic ratio resulting from a testcross is
A)9:3:3:1.
B)1:2:1.
C)3:1.
D)1:1:1:1.
E)1:1.

Accepted Answer

When two genes are not linked, they assort independently, resulting in a 1:1:1:1 phenotypic ratio in a testcross.