1.

A pure tall plant (TT)is crossed with pure dwarf plant (tt),What would be the F_(1) and F_(2) generations?Explain.

Answer»

Solution :In a monohybrid cross, if a pure tall plant (TT) is crossed with pure dwarf plant (tt). All plants were tall (Tt) in `F_1` generation.

`F_1 to` Tt Tt Tt Tt (Tall HETEROZYGOUS)
RATIO : 3: 1
During the selfing of `F_1` generation 3 DIFFERENT types of plants were produced.

Tall Homozygous -TT(Pure )-1
Tall Heterozygous -Tt-2
Dwarf Homozygous -tt- 1
Ratio : 1: 2: 1


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