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What is the purpose of a testcross?

To determine if a parent has a lethal allele.

To determine the genotype of offspring from a cross.

To determine is a trait is inherited.

To determine the genotype of a parent with an unknown phenotype.

User FRD
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1 Answer

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Answer:

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.

User Sleiman Jneidi
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