My stepmother was in her element, organizing everything.我的继母得心应手地料理着一切。She feared losing her inheritance to her stepmother.她担心她继承的遗产会被继母夺走。When she married Tom, she became stepmother to his child.她和汤姆结婚后, 她成了他的孩子的继母....
确切的单倍体数目倍增被称为整倍体.An exact multiple of the haploid number is called euploid.非整倍体所描述是单倍体数目 ( n ) 并非成倍增加.Aneuploid describes chromosome numbers which are not multiples of the haploid number ( n ).非整倍体异常的 非 入侵性产前诊断: 离现实有多近?N...