英:[ˌkrɒsɪŋ'əʊvə(r)]
美:[ˌkrɒsɪŋ'oʊvə(r)]
英:[ˌkrɒsɪŋ'əʊvə(r)]
美:[ˌkrɒsɪŋ'oʊvə(r)]
noun
an interchange of genes or segments between homologous chromosomes
noun
an interchange of genes or segments between homologous chromosomes
The first known use of crossing-over was in 1912
crossing-overnoun
an exchange of genes or chromosome segments between corresponding parts of similar but usually not identical chromosomes during meiosis
crossing-overnoun
an interchange of genes or segments between homologous chromosomes
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。
3 Two London Buses Is Crossing Over The River Thames.
两部伦敦巴士横夸泰晤士河.
4 Plantar gasket ( sole ) have special function characteristic, OK and fast conveniently crossing - over.
脚底衬垫 ( 鞋底 ) 具有非凡的性能特点, 可以快速方便地互换.
5 Okay, this is crossing over into a scary place.
好吧这就有点过头了.
6 Literally crossing over from one type of song to the next.
就像名字所意,这首中曲把歌的风格从一种转到了另一种.
7 They headed the storm crossing over Alps to Italy.
他们迎着暴风雪越过了阿尔卑斯山脉,朝着意大利进发.
8 Their first problem was crossing over a mountain.
他们首先面临的问题是必须翻越一座高山.
9 Duplication can be created by unequal crossing over, retroposition, or whole genome ( or chromosomal ) duplication.
它与生物体基因组大小的进化 、 新基因的起源 、 物种的分化以及基因抗突变的能力大小等都密切相关.
10 Find the right balance so you're politely persistent without crossing over to a pest.
找到正确的平衡点,这样你才能迈出礼貌的一步而不会触发个人忌讳.
11 With possession of Coastal expressway, the Xin - Chang railway crossing over, so the traffic is very convenient.
沿海高速 、 新常铁路穿越而过, 交通位置十分便捷.
12 Jordan and Adidasi this month positional crossing - over, rank the 6 th to mix the 7 th respectively.
乔丹和阿迪达斯本月位置互换, 分别排名第六名和第七名.
13 Crossing over The exchange of material between homologous chromatids by the formation of chiasmata.
交换:同源染色单体之间形成交叉时遗传物质的交换现象.
14 From the riverside he saw the honest salesman still crossing over on the ferry boat.
在河边,他看见诚实的商人乙正在渡河.
15 We found a ship crossing over to Phoenicia, went on board and set sail.
遇见一只船,要往腓尼基去, 就上船起行.
16 Golden monkey and crocodile this month place crossing - over, rank the 8 th to mix the 9 th respectively.
金猴和鳄鱼本月名次互换, 分别排名第八位和第九位.
17 We found a ship crossing over to Phoenicia , went board and set sail.
遇见一只船、要往腓尼基去、就上船起行.