crossing-over

n.

互换；

1. E-mail is the most widely used service-you can exchange e-mail with millions of people all over the world.
   电子邮件是应用最广的一项服务，你可以与世界上千百万人互换邮件人们可用电子邮件交换任何可用信件或电话来交换的内容。
2. With the first set strands removed from the frame, we can then add different set strands, which bind to the central region and cross over there.
   一旦将第一个设定股从结构中移除，我们就可以加入不同的设定股，让它结合到中央区并在那儿产生互换。

Crossing-over.
CROSSING-OVER
Crossing over
Yeast recombination: the association between double-strand gap repair and crossing-over
Dual roles for DNA sequence identity and the mismatch repair system in the regulation of mitotic crossing-over in yeast.
Mlh1 is unique among mismatch repair proteins in its ability to promote crossing-over during meiosis.
BLM ortholog, Sgs1, prevents aberrant crossing-over by suppressing formation of multichromatid joint molecules
Anderson LK, Reeves A, Webb LM, Ashley T.. Distribution of crossing-over on mouse synaptonemal complexes using immunofluorescent loc...
The Mechanism of Crossing-Over
Variation in crossing-over rates across chromosome 4 of Arabidopsis thaliana reveals the presence of meiotic recombination "hot spot...