When Mendel Set Up a Parental (P) Cross Between True

Multiple Choice

When Mendel set up a Parental (P) cross between true breeding purple and white flowered plants to generate the F1 and then allowed the F1 to self-pollinate to generate the F2 he saw a dominant to recessive ratio of 3:1. What phenotypic ratio would be expected if he crossed the F1 with the original purple parent?

A) 4:0
B) 1:1
C) 3:1
D) 9:3:3:1