Class 12 Science Biology Important Questions
12th Science Biology Extra Questions
Class 12 Science Important Syllabus Questions Answers
Class XII Science Biology Extra Questions
A progeny of F1, is crossed with the homozygous recessive parent. What is this cross called? Work out how is it useful?
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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.