Be sure you can answer correctly the questions of the first assignment.
Marigolds come in yellow and orange colors.
Nothing is known about the order of these loci on the chromosome. A plant heterozygous at each of these loci is testcrossed. Enter the genotypes of each class in the table above following the order of the columns. In one couple the RFLP probe detected two RFLP alleles r1 and r2 in the anemic parent, which is known to be heterozygous for the A locus, and only allele r3 in the healthy parent. The couple is expecting a child and a DNA test is performed on the unborn fetus.