How many genotypes are formed in $F_{2}$ genration after monohybrid cross?

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Solution

The correct option is B 3
After a Mendalian monohybrid cross three types of genotypes are formed in the $F_{2}$ generation.
The three genotypes represent homozygous dominant condition (TT) for tall, homozygous recessive condition (tt) for dwarfness and hybrid condition (Tt) for hybrid tall.
The ratio of the progenies is 1 tall : 2 hybrid tall : 1 dwarf

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