A test cross is carried out to

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A test cross is carried out to

1. determine the genotype of a plant at F2.
2. predict whether two traits are linked.
3. assess the number of alleles of a gene.
4. determine whether two species or varieties will breed successfully.

Correct Option: A

A test cross, first introduced by Gregor Mendel, is used to determine if an individual exhibiting a dominant trait is homozygous or heterozygous for that trait. It takes place between F₁ - Generation and recessive parent.