Question

Test cross involves

A

Crossing between 2 genotypes with dominant trait

B

Crossing between 2 genotypes with recessive trait

C

Crossing between 2 F hybrids

D

Crossing the F hybrid with a double recessive genotype

Medium

Solution

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Correct option is
D

Crossing the F hybrid with a double recessive genotype

A test cross is a fundamental tool devised by Gregor Mendel. A test cross is an experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype (and phenotype).
So, the correct answer is 'Crossing the F hybrid with a double recessive genotype

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