Multiple choice

Genotypic ratio of a monohybrid cross is

  1. 1 : 2 : 1

  2. 3 : 1

  3. 9 : 3 : 3 : 1

  4. 1 : 1 : 1

  5. -

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A Correct answer
Explanation

The 1 : 2 : 1 ratio is the result of a monohybrid cross between two heterozygous parents.