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Test cross involves:

  1. A
    crossing between two genotypes with recessive trait
  2. B
    crossing between two F1 hybrids
  3. C
    crossing the F1 hybrid with a double recessive genotype
  4. D
    crossing between two genotypes with the trait

Solution & Step-by-step Explanation

A test cross is specifically the mating of an hybrid (or an organism with a dominant phenotype but unknown genotype) with a homozygous recessive parent.

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Test cross involves:
A
crossing between two genotypes with recessive trait
B
crossing between two F1 hybrids
C
crossing the F1 hybrid with a double recessive genotype
D
crossing between two genotypes with the trait

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Principles of Inheritance and Variation

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