Table 2.

Total Human IRs >8000 bp on X- and Y-chromosomes and Autosomes

≥99%
≥95% to 99%
≥75% to 95%
Total (≥75%)
Arm identity
Total
Known testes gene
Total
Known testes gene
Total
Known testes gene
Total
Known testes gene
X-chromosome 20 10 3 1 1 0 24 11
Y-chromosomea 10 6 0 0 3 1 13 7
Autosomes 17 1 17 0 25 0 59 1
Totals
43
17
22
1
30
1
96
19

a As described in Skaletsky et al. (2003), including IRY-23.2 (Table 1).