Multiple choice

Two plants of Pisum sativum, both heterozygous for the gene regulating flower colour are crossed. What percentage of their offspring will have purple flowers?

  1. 25%

  2. 50 %

  3. 75 %

  4. 100 %
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

As per the question, by constructing the Punnet square for two heterozygous parents, you can observe that 25% will be homozygous dominant, 25% homozygous recessive, and 50% heterozygous. Thus, 75% will be purple.

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