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Define and design a test cross...

Define and design a test cross

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1) When the `F_(1)` individuals are crossed with the recessive parent or organism similar in phenotype and genotype to the recessive parent, it is called test cross .
2) Test cross is used to test whether an individual is homozygous (pure) or heterozygous (hybrid ) .
3) A monohybrid test cross gives a phenotypic ratio of `1:1`
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