The genotype of a plant showing the dominant phenotype can be determined by

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In Genetics, a test cross, first introduced by Gregor Mendel, is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygous for that trait. More simply, test cross determines the genotype of an individual with a dominant phenotype. In some sources, the test cross is defined as being a type of back cross between the recessive homozygote and $\mathrm{F}_1$ generation.

The genotype of a plant showing the dominant phenotype can be determined by

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