Question

what is test cross and back cross​

Answer 1

TEST CROSS AND THE BACKCROSS.

TEST CROSS AND THE BACKCROSS. A test cross is a cross between an organism that is heterozygous for one or more genes(for example, Ww) and an organism that is homozygous for the recessive alleles (for example, ww).

Answer 2

Answer:

Back cross is a cross between F1 hybrid and one of the two parents ( either homozygous dominant or homozygous recessive). It is done to increase the desired trait.

Test cross is a cross between an individual of unknown genotype and its homozygous recessive parent.

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