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  4. Which of the following is a test cross?

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Q. Which of the following is a test cross?

JIPMERJIPMER 2011Principles of Inheritance and Variation

Solution:

Test cross, is a cross in which a individual is crossed with recessive parent. The ratio will be 50% dominant and 50% recessive in case of hybrid individual. Test cross is used to determine whether an individual of dominant phenotype is homozygous or heterozygous, or to determine the degree of linkage.

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