Question

What is test cross? Explain significance of a test cross

Answer 1

A test cross is a way to explore the genotpye of an organism. Early use of the test cross was as an experimental mating test used to determine what alleles are present in the genotype. An organism's genetic makeup is called its genotype, and it reflects all of the alleles, or forms of the gene, that are carried by the organism. Consequently, a test cross can help determine whether a dominant phenotype is homozygous or heterozygous for a specific allele.

Answer 2

Test cross:

cross between F1 hybrid and its homozygous recessive parent is called as test cross