网络释义专业释义英英释义
...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...
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... 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 ...
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Unequal crossing over 交换 ; 不等互换 ; 或不等交流
four strand double crossing over [遗] 四线双交换
mitotic crossing over 有丝分裂交换 ; 体细胞交叉
somatic crossing over 体细胞交换 ; 有丝分裂交换 ; 体细胞交叉
crossing-over value [遗] 交换值
double crossing over [遗] 双交换
crossing-over 互换 ; 发生在减数分裂中染色体间互相交换物质 ; 交叉 ; 引起遗传重组
crossing over suppressor 交换抑制因子
crossing-over map [遗] 交换图
柯林斯英汉双解大词典
crossing over
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1.
N the interchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring 交换; 同源染色体断裂并相互再结合而导致染色体节段的交换 [biology] → see also linkage
双语例句原声例句权威例句
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Don't worry about crossing over the tracks.
不用为穿过铁道而担心。
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Their first problem was crossing over a huge mountain.
他们第一个问题是翻越一座高山。
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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。
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Tom Waits is a singer/songwriter whose voice sounds like a truck crossing over hundreds of stones.
VOA: special.2011.03.21
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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。
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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。
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