Question

A test cross is performed:

A. Only with hybrids

B. Only with pure types

C. To determine whether an organism is

heterozygous or homozygous dominant

D. Only between recessives​

Answer 1

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Answer:

A homozygous dominant and heterozygous form

Explanation:

A testcross is a way to explore the genotype of an organism. Testcross is performed to distinguish between pure (homozygous dominant) and hybrid (heterozygous) plant. It involves a cross between an organism with an unknown genotype and an organism that is homozygous recessive for that trait. Test cross helps to determine whether the individual being tested is homozygous dominant (purebred) or heterozygous dominant (hybrid).

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