NEET Biology question

A tall true breeding garden pea plant is crossed with a dwarf true breeding garden pea plant. When the F1 plants were selfed the resulting genotypes were in the ratio of

(A)3:1 :: Tall:Dwarf
(B)3:1 :: Dwarf:Tall
(C)1:2:1 :: Tall homozygous : Tall heterozygous : Dwarf homozygousCorrect
(D)1:2:1 :: Tall heterozygous : Dwarf homozygous : Dwarf heterozygous

Answer: (C)

Solution

Crossing a true-breeding tall plant () with a true-breeding dwarf plant () gives an entirely heterozygous (tall) F1; self-pollinating the F1 () produces F2 offspring in the genotypic ratio ,

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Question ID VK-120149