Question

how is a test cross helpful in determining the genotype of an organism?

Answer 1

In a typical test cross, an organism showing a dominant phenotype (whose genotype is to be determined) is crossed with the recessive parent. The progeny of the crossare analysed to predict the genotype of the test organism.

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Answer 2

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In a typical test cross, an organism showing a dominant phenotype genotype is to be determined) is crossed with the recessive parent. The progeny of the cross are analysed to predict the genotype of the test organism.