chiasmata chiasma

• 交叉

chiasmata chiasma的用法和样例：

例句

1. Genetic recombination can occur without the formation of a chiasmata.
   遗传重组在没有形成交叉的情况下，也可以发生。
2. The chiasmata can slip off the ends of the bivalents, and thus chiasma frequency may be reduced by terminalization.
   有时交叉可以从二价体末端处滑开，因此移端过程可以降低交叉频率。