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Class 12th Biology 2013 Set2 Delhi Board Paper Solution

Question 16

In a cross between two tall pea plants some of the offsprings produced were dwarf. Show with the help of Punett square how this is possible.

Parent                 TT & Tt
Gametes            T T, t
Punnet square
Tall        :                Dwarf
3            :                    1
Gametes T T
T TT(tall) TT(Tall)
t Tt (Tall) tt (dwarf)