If dwarf pea plant was treated with Gibberellic acid, it grew as tall as the pure tall pea plant. If this treated plant is crossed with a pure tall plant then the phenotypic ratio of first generation is likely to be

Options :
  1. All dwarf
  2. 50% dwarf and 50% tall
  3. All tall
  4. 75% tall and 25%dwarf

Answer and Explanation :-

Answer: Option 3


Because gibberellic acid treated plant is genetically dwarf and behave like recessive individual and other one is dominant tall, thus according to Mendel's dominance law all plants of first generation are tall.

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