The methylation and the numbers of CpG in Hoxc8 exon-1 of Mongolia sheep with vertebrae 13 and 14 were investigated by i......

蒙古绵羊早期胚胎的血岛是心管及血管组织发生的原基。交配后１２－１３日龄，在胚盘两侧的胚内中胚层内，首先发生血岛，进而扩展到原肠及尿囊的脏......