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nika2105 [10]
3 years ago
9

What is a test cross

Biology
1 answer:
Savatey [412]3 years ago
7 0
It is a mating in which an individual showing a dominant phenotype is crossed with an individual showing its recessive phenotype. In a test cross, the unknown individual must be of a dominant phenotype because if the phenotype is recessive the genotype will have to be homozygous recessive.
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