A test cross in plants and Drosophila involve | vedclass

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(D) test cross is a genetic cross between an individual with a dominant phenotype (whose genotype is unknown) and an individual that is homozygous rec

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An $F_1$ hybrid and an individual with a recessive genotype

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(D) test cross is a genetic cross between an individual with a dominant phenotype (whose genotype is unknown) and an individual that is homozygous recessive for the trait.In $F_1$ hybrids,the genotype is heterozygous. By crossing this $F_1$ hybrid with a homozygous recessive individual,we can determine the genotype of the $F_1$ hybrid.Therefore,the correct definition of a test cross is the crossing of an $F_1$ hybrid with a recessive genotype individual.

$A$ test cross in plants and Drosophila involves crossing between:

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