bigeminal

例句：

1. 1. The bigeminal chromosomes are responsible for the plant's ability to grow tall and strong.
   二倍体染色体负责植物能够生长得高大强壮。
2. 2. In a dioecious species, males and females are different but share the same bigeminal chromosomes.
   在一个雌雄异株的物种中，男性和女性是不同的，但共享相同的二倍体染色体。
3. 3. The bipolar cells in the brain are responsible for transmitting signals between the two bigeminal hemispheres.
   大脑中的双极细胞负责在两个二倍体半球之间传递信号。