what is test cross?
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A test cross is a way to explore the genotpye of an organism. Early use of the test cross was as an experimental mating test used to determine what alleles are present in the genotype. ... This means that the genotype of an organism with a dominant phenotype may be either homozygous or heterozygous for the dominant allele.
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Test cross is a cross between an organism with unknown genotype and a recessive parent. It is used to determine whether an individual is homozygous or heterozygous for a trait. Example: ... The unknown genotype can be determined by observing the phenotypes of the resulting offspring.
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