We can refer to these duplicated chromosomes as making up a doublet.我们称这些复制的染色体为双体.Transnational firms are also patenting human chromosomes, cells, tissues and organs.同时,跨国公司还在对人类的染色体 、 细胞 、 组织和器官申请专利.NO dimorphic sex ch...
Chromosomes also determine the sex of animals.染色体也决定动物的性别.Each of four chromosomes divide longitudinally.四种染色体的每一种都沿着纵向分裂.At this point esch chromosome consist of a pair of chromatids and the two associated chromosomes a...