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what is the difference between back cross and test cross...?what is the difference between back cross and test cross...?

what is the difference between back cross and test cross...?
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S Sonika

Back cross is a cross between Fhybrid and one of the two parents ( either homozygous dominant or homozygous recessive). It is done to increase the desired trait.

Test cross is a cross between an individual of unknown genotype and its homozygous recessive parent. It is done to test whether the unknown genotype is homozygous or heterozygous.

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