In a Simple Mendelian Monohybrid Cross, True-Breeding Tall Plants Are

Multiple Choice

In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F₁ plants, which are all tall, are allowed to self-pollinate. What fraction of the F₂ generation are both tall and heterozygous?

A) 1/8
B) 1/4
C) 1/3
D) 2/3
E) 1/2