Question

A tall, heterozygous pea plant is cross-pollinated with another tall, heterozygous pea plant. What is the probability that the offspring will be a short plant?

a) 0%
b) 75%
c) 25%
d) 50%

Answer 1

Answer:

25%

Explanation:

Tt x Tt is the cross you should start with because both are heterozygous. Make a Punnett square. The short phenotype (genotype tt) should show up only once out of the four total genotypes. 1/4=25%

Answer 2

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Answer:

When you pair two tall, heterozygous pea plants, the probability of the offspring on the Pennett square being a short plant would be 25%, considering the most likely dominant gene being overruled with 75% being the tall gene.

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