Organism No. of Deletions Genes Chimpanzee 1 CFHR3 Mouse 6 CFHR3,  CFHR1, CFHR2, CFHR4, CFHR5, C1orf98 Dog 7 RGS13, CFHR3, CFHR4, CFHR5, C1orf98, C1orf98, GPR25 Chicken 3 RGS13, C1orf98, GPR25

Table 2: Number of deletions in four orthologs (Chimpanzee, Mouse, Dog, and Chicken) with respect to human ASPM and other genes (upstream and downstream of ASPM).