The duplicates are attached to each other at a constricted region called the centromere.对偶体彼此相连于称为着丝粒的缩小的区域.Following the replication of chromosomes, resultant chromatids remain attached at the centromere.随着染色体的复制, 着丝粒始终...
I am astounded at the comments made by the Chief Superintendent.主管的评语让我大吃一惊。He was stopped at the airport by an assistant superintendent of police.他在机场被一名助理警长扣留了。the superintendent of schools in Dallas达拉斯教育局长...