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ICSE Class 10 Biology Question 8 of 30

Model Question Paper 1 — Question 14

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14
Question

Question 1(xiv)

The phenotypic ratio in F2 generation of a monohybrid cross is :

  1. 1:3
  2. 1:2:1
  3. 3:1
  4. 9:3:3:1
Answer

3:1

Reason — The phenotypic ratio in F2 generation of a monohybrid cross is 3:1 because of segregation of genes which leads to recessive homozygous condition.