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SAQ : State two differences between the back cross and the test cross

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Here are two differences between the back cross and the test cross:

  • The back cross is a cross between an F1 hybrid and a homozygous recessive parent, while the test cross is a cross between an individual of an unknown genotype and a homozygous recessive parent.
  • The purpose of a back cross is to verify the genotype of the F1 hybrid, while the purpose of a test cross is to determine the genotype of an individual of an unknown genotype.

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