In a simple Mendelian monohybrid cross, true-breeding tall and short plants are crossed, 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
Answer: e. 1/2
Biology & Microbiology
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