Q.

What is the purpose of a test cross in genetics?

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a

To produce more offspring with the dominant phenotype.

b

To identify the genotype of an organism exhibiting a dominant phenotype by crossing it with an organism displaying the recessive phenotype.

c

To increase the number of recessive traits in the population.

d

To verify that the dominant phenotype can only produce similar offspring when self-crossed.

answer is B.

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Detailed Solution

To identify the genotype of an organism exhibiting a dominant phenotype by crossing it with an organism displaying the recessive phenotype.

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