RT- PCR analysis of developmentally important genes in IVF (a) and handmade cloned (b) embryos at 8-to16- cell stages. (a & b). Lane 1–50 bp Ladder, Lane 2-GAPDH, Lane 3-GLUT1, Lane 4- OCT4, Lane 5-DNMT1, Lane 6-BAX, Lane7-BCL2 and Lane 8- Negative control