Fig. 2 Visualization of allelic profiles by PCR run and embryo. A set of three or four cubes arranged in a row represents the result of one PCR run for a single blastomere. A–E denote the blastomeres of each zygote. The numbers in the first row (#1–#15) indicate groups of PCR runs conducted on individual blastomeres derived from the same WGA DNA. Blank cubes indicate negative PCR results. Alleles detected in each PCR experiment are represented by colored cubes: black indicates the short paternal allele (PS), blue indicates the long paternal allele (PL), red indicates the short maternal allele (MS), and pink indicates the long maternal allele (ML) . If the maternal allele is monovalent, the detected allele is shown in red. The results are summarized by blastomere and by embryo in the second column (alleles by blastomere) and the third column (alleles by embryo), respectively.