染色体交叉：指在减数分裂过程中同源染色体之间的基因物质交换，促进基因的多样性。
crossing over //
→see alsolinkage
the interchange of sections between pairing homologous chromosomes during the prophase of meiosis
同义词： crossover
交换-引用次数：7
参考来源基因重复的研究进展
交换
叫做穿越国境（crossing over），在网上搜遍了就是没找到字幕，找到了也是荷兰语什么的~~无奈到了极致，有没有好心的yuyu帮我搜搜看
...个以上基因遗传时，联合在一起的频率大于重 新组合的频率 连锁 （linkage）： 同一亲本的基因趋向于联合 交换 （crossing over）： 同一亲本的基因相互分开，重新组合 重组 （recombination）：由于同源染色体上的不同等位基因间的重新组合， 产生不同于亲本的...
... crossbreeding 杂交育种 ; 杂交繁殖 crossing over 互换; 交换 crossing-over frequency 互换频率; 交换频率 ...
[遗]交换，交叉
Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
Their first problem was crossing over a huge mountain.
他们第一个问题是翻越一座高山。
Moose reached Isle Royale in Lake Superior by crossing over winter ice and multiplied freely there in isolation without predators.
麋鹿穿过冬天的冰雪，到达苏必利尔湖的皇家岛，在那里，它们没有天敌，自由繁殖。
Tom Waits is a singer/songwriter whose voice sounds like a truck crossing over hundreds of stones.
VOA : special.2011.03.21
The hymn doesn't anywhere refer to people crossing over on dry land.
在赞美诗中并没有提到人们从地面上穿过海洋。
旧约导论课程节选 : 耶鲁公开课
Following a transformation the study of which is not the concern of the social sciences but rather of biology and psychology, a crossing over came about from a stage where nothing had a meaning to another where everything possessed it.
这门学科并不属社会科学的范畴,而是属于生物学，心理学，此种转变是一种跨越，从一个什么都没有意义的时代到,一个每样东西都能表达的时代的。
文学理论导论课程节选 : 耶鲁公开课
Their first problem was crossing over a huge mountain.
VOA : special.2009.02.11
The mapping effort has also confirmed that the process of crossing over varies between the sexes.
Everybody has been buzzing about Nik Wallenda and his daredevil crossing over Niagara Falls this week.
FORBES: Marketing vs. Economics: Gymnastics or High-Wire Act?
If the concept boosts ratings, thank John Edward, the psychic host of the cult hit Crossing Over.