If a pure tall plant is crossed with a pure dwarf one, th... — Answer & Explanation | PrepBeePakistan

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MEDIUMENGLISHAgriculture

If a pure tall plant is crossed with a pure dwarf one, the ratio of tall pure dwarf in the F 2 generation after selling F1 plant will be___________________?

Correct answer: D

Explanation

In Mendelian genetics, crossing pure tall (TT) with pure dwarf (tt) yields F1 heterozygotes (Tt). Selfing F1 (Tt x Tt) produces an F2 phenotypic ratio of 3 tall : 1 dwarf.

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