simplex group of chromosomes

• 单组染色体

simplex group of chromosomes的用法和样例：

例句

1. Thus, for an embryo to grow properly, it must have one set of chromosomes with a female imprint and the other with a male imprint.
   因此胚胎要能正常发育，一定要有一组染色体带雌性铭印，而另一组染色体则带雄性铭印。