Real time PCR validation of differentially expressed genes in black versus white sheep skin. Abundance of target genes was normalized relative to abundance of â-actin gene. Bars in each panel represent the mean ± standard error (n = 3), * P < 0.05; ** P < 0.01; *** P < 0.001.
Fan et al. BMC Genomics 2013 14:389 doi:10.1186/1471-2164-14-389