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प्रश्न
What is the cross between the progeny of F1 and the homozygous recessive parent called? How is it useful?
उत्तर
When a progeny of F1 is crossed with the homozygous recessive parent, it is called test cross. Such a cross is useful to determine the genotype of an unknown, i.e., whether it is heterozygous, or homozygous dominant for the trait.
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