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NEET BIOLOGYEasy

Match List-I with List-II:

List-I (Type of cross) (A) Monohybrid cross (B) Dihybrid cross (C) Incomplete dominance (D) Test cross

List-II (Phenotypic ratio) (I) 1:1 (II) 1:2:1 (III) 3:1 (IV) 9:3:3:1

A

A-III, B-IV, C-II, D-I

B

A-II, B-IV, C-III, D-I

C

A-II, B-III, C-IV, D-I

D

A-IV, B-III, C-I, D-II

Step-by-Step Solution

:

  • Monohybrid cross: The F2 phenotypic ratio is 3:1 (e.g., 3 Tall : 1 Dwarf) .
  • Dihybrid cross: The F2 phenotypic ratio is 9:3:3:1 (e.g., 9 Round Yellow : 3 Wrinkled Yellow : 3 Round Green : 1 Wrinkled Green) .
  • Incomplete dominance: The F2 phenotypic ratio is 1:2:1 (e.g., 1 Red : 2 Pink : 1 White in Snapdragon) .
  • Test cross: A monohybrid test cross (heterozygote x homozygous recessive) yields a 1:1 ratio .
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