指holliday交叉的移动，它会引起同源染色体不同区段之间发生杂交。

The movement of a Holliday junction that causes different hybridizations between the homologous chromosomes.

youdao

指holliday交叉的移动，它会引起同源染色体不同区段之间发生杂交。

The movement of a Holliday junction that causes different hybridizations between the homologous chromosomes.

youdao