In Radishes, Red and White Are the Pure-Breeding Colors, and Long

Multiple Choice

In radishes, red and white are the pure-breeding colors, and long and round are the pure-breeding shapes, while the hybrids are purple and oval.The cross of a red, long radish and a white, round radish will produce an F₁ generation of what phenotype?

A) all long, red radishes
B) all long, white radishes
C) all long, purple radishes
D) all round, purple radishes
E) none of these