Figure 2. Genome scan of selective sweep. (A ) LD analysis and genotype heat map were performed for the non-synonymous and synonymous mutation sites in PRDM16 exon. (B ) The Tajima’s D , θ π andF ST values around the PRDM16 gene. (C ) The SNPs tree of PRDM16 . (D ) Mutation rates of the nonsynonymous SNVs in southern cattle and information of mutation site of PRDM16 in different species.