Assembly of the threespine stickleback Y chromosome reveals convergent signatures of sex chromosome evolution

Table 1 Median nucleotide divergence between X and Y chromosome gametologs

	X-linked	Y-linked	Percent remaining on Y	d_S	d_N	d_N/d_S
Stratum 1	610	110	18.0%	0.155^a	0.030^a	0.287^a
Stratum 2	242	183	75.6%	0.042^b	0.009^b	0.203^b
Stratum 3	332	229	69.0%	0.033^c	0.012^c	0.341^a

^a,b,cGroups significantly different by a pairwise Mann-Whitney U test; P < 0.05

ISSN: 1474-760X