Table 2.

Size of low-SNP-rate regions relative to each chromosome




% of low SNP regions

Substitution rate



% of low SNP regions

Substitution rate
chr1 7.30% 0.0096 chr11 3.20% 0.0096
chr2 4.90% 0.0095 chr12 11.30% 0.0093
chr3 3.70% 0.0104 chr13 5.40% 0.0102
chr4 6.60% 0.0097 chr14 15.10% 0.0092
chr5 1.00% 0.011 chr15 0% 0.0108
chr6 5.60% 0.0098 chr16 3.30% 0.0105
chr7 1.10% 0.011 chr17 1.60% 0.0107
chr8 20.00% 0.0088 chr18 0% 0.011
chr9 5.30% 0.01 chr19 3.50% 0.011
chr10 2.00% 0.0108 chrX 0% 0.0072
chrYa ND 0.0025
Total: 5.29%b (Sum of the Low SNP regions relative to the whole B6 genome)

a Based on NCBI build 32

b 801 genes out of 12,389 known genes (loci) are present in this 5.2% of the genome