What is test cross? Explain its significance.
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Test crosses are used to test an individual's genotype by crossing it with an individual of a known genotype. Individuals that show the recessive phenotype are known to have a homozygous recessive genotype. ... The purpose of a test cross is to determine if this individual is homozygous dominant or heterozygous.
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Test cross :
It is a cross made between F1 hybrid with its double recessive parents to confirm homozygus or heterozygous condition of F1 hybrid.
Significance :
Helps to know the genotype of an individual.
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