1. Identical twins are also called monozygote twins because they develop from the splitting of a single fertilized egg.
   因为是从同一个受精卵分裂而来，同卵双胞胎也被称作单卵双胞胎。

声明：以上例句、词性分类均由互联网资源自动生成，未经过人工审核，其表达内容亦不代表本软件的观点；若发现问题，欢迎向我们指正。