Figure 1. Relative expression levels of H19/IGF2. qRT-PCR analysis of H19/IGF2 in (A) male and female eye, (B) porcine embryonic fibroblast (PEF) and parthenogenetic (PA) cells. F: female; M: male. Data are reported as means ± SEM (n = 3). * p < 0.05, ** p < 0.01.