61.Atest cross is Carried out to: A. Determine the genotype of plant at F 2 B. Predict whether two traits are linked C. Assess the number of alleles of a gene D. Determine whether two species or varieties will breed successfully
Option A Test cross is the crossing of an F1 progeny with a homozygous recessive parental progeny is done in order to determine whether the progeny is homozygous or heterozygous for a character under consideration. This is called a test cross. Those that are heterozygous will have one dominant and one recessive allele individuals and those that are homozygous dominant will have two dominant alleles, and those that are homozygous recessive will have two recessive alleles.