If a tall plant is crossed with a dwarf plant | vedclass

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(B) In this cross,the offspring are $50\%$ tall and $50\%$ dwarf.This indicates that the tall parent must be heterozygous $(Tt)$ and the dwarf parent

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$Tt 	imes tt$

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(B) In this cross,the offspring are $50\%$ tall and $50\%$ dwarf.This indicates that the tall parent must be heterozygous $(Tt)$ and the dwarf parent must be homozygous recessive $(tt)$.The cross is: $Tt 	imes tt ightarrow Tt$ (tall),$tt$ (dwarf).This specific type of cross,where an individual of unknown genotype is crossed with a homozygous recessive individual,is known as a test cross.

If a tall plant is crossed with a dwarf plant and the obtained progeny is half tall and half dwarf plants,then the genotype of the parents will be:

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