Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 8 PCB MCQ (Single Correct)

A test cross enables to -

A
Determine the viability of cross.
B
Distinguish between homozygous dominant and heterozygous dominant.
C
Determine whether 2 species can inter breed.
D
Determine the similarities in the DNA of 2 species.

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The correct answer is:
B

A test cross is a way to explore the genotype of an organism. Test cross 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.

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