non-homologous chromosome的用法和样例：
例句
- Translocation occurs when a fragment of one chromosome becomes attached to a non-homologous chromosome.
一段染色体跟非同源染色体连在一起时就发生易位。 - Alternatively, they may rejoin a different part of the same chromosome, or another chromosome, giving a translocation.
如果一个染色体臂的一段移接到另一非同源染色体的臂上的结构变异，这种现象叫做易位。
