Concept explainers
To determine: The genetic cross that could help to determine genotype of a purple-flowered pea plant.
Introduction: The allele combinations of a gene present in an organism determine genotype and
To explain: How the test cross enables to deduce whether the purple-flowered pea plant is homozygous or a heterozygous.
Introduction: Genotype is the specific allele combination of a gene and the physical manifestation of the genotype is known as phenotype. The genotype of an organism can be determined by test cross. The test cross refers to the cross between an organism with unknown genotype and an organism with homozygous recessive traits.
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