Question

What is the cross known as when the progeny of F1 and a homozygous recessive plant is crossed? State its advantage...​

Answer 1

Answer:

Test cross

When a progeny of F1 is crossed with the homozygous recessive parent it is called test cross. Such a cross is useful to determine the genotype of an unknown i.e. whether it is heterozygous or homozygous dominant for the trait.

Explanation:

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Answer 2

Answer:

Test cross

Test cross is a cross in which an individual with an unknown dominant phenotype is crossed with an individual (parent) homozygous recessive for that trait. Test cross determines whether the dominant character is coming from homozygous dominant genotype or heterozygous genotype. Thus it is more useful than back cross.