Proportions of genic and nonsynonymous SNPs relative to the proportion of non-genic SNPs in the tail of the minimum rank distribution.

Symbols *, ** and *** denote support from >95%, >97.5% and >99% of bootstrap replicate, respectively.符号*、**与***分别表示对应结果得到超过95%、97.5%及99%的自助重采样（bootstrap replicate）样本的支持。