The unflattering answer could be for no other reason than random genetic drift.

1、

Genetic drift can even counteract natural selection.

遗传漂变甚至可以抵消自然选择.

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2、

Random genetic drift has certainly played a big role in human evolution.

随机遗传漂变在人类进化过程中无疑起到了很大的作用.

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3、

The result shows that genetic drift has a strong effect on the loss of genetic diversity.

结果表明,圈养大熊猫群体规模小,漂变是导致遗传多样性丢失的主要因素.

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4、

Genetic engineering is perhaps the most exciting recent development in biology.

遗传工程也许是生物学中最激动人心的新发展.

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5、

Affinity peptide ( Marker ) became more important in the development of genetic engineering.

标记亲和多肽片段以其优越性在基因工程中占有重要的地位.

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6、

The potential for abuse of genetic engineering has presented society with many ethical and legal controversies.

滥用基因工程的可能性使社会面对许多伦理和法律争议.

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7、

Molecular techniques for genetic engineering came to the world during 70 s.

遗传工程的分子技术于本世纪70年代问世.

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8、

Genetic engineering technology, in medicine and agriculture on a wide range of applications.

基因工程技术, 在医药及农业上应用广泛.

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9、

Xiao Ming has been admitted by Shanghai University to study genetic engineering.

小明考入了上海大学的遗传工程专业.

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10、

He chose genetic engineering to be his lifelong career.

他选择了遗传工程学作为终生的事业.

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11、

B : The biologists are making an important experiment in genetic engineering these days.

这些天生物学家正在入行遗传工程学方面的重要试验.

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12、

This technique is controversial and raises issues of sex selection and genetic engineering.

这技术有争议,引出性别选择和遗传工程的问题.

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13、

They say genetic engineering improves crops.

他们称基因工程使收成增加.

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14、

During genetic engineering, DNA with creative potential was included, for the benefit of mankind.

在基因改造过程中, 有着原创潜能的DNA会被包括进去, 以使人类受益.

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15、

Today's scientists are recreating dinosaurs through genetic engineering. Sounds like science fiction Not any longer.

今天大家科学家们正就在通过基因工程再造恐龙. 听起来很像科幻文学小说?今天那多切不再就是科幻.

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16、

It's unclear whether the regulatory body , the Genetic Engineering Appraisal Committee ( GEAC ) will okay the potato.

现在还不清楚管理机关——基因工程评估委员会 ( GEAC ) 是否会同意这种土豆.

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17、

Genetic engineering will have revolutionary consequences for mankind.

遗传工程将对人类产生深远的影响。

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18、

The genetic engineering technique used in the mice cannot be used in people, he said.

他说用在老鼠身上的基因工程技术不能用在人身上.

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19、

Thanks. And I expect to red your book on genetic engineering.

谢谢. 我还想读一些写的遗传工程方面的书呢.

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20、

Genetic engineering should allow people to lead healthier, happier lives and add decades to our span.

基因工程应该让人类拥有更健康, 更快乐的生活,还会延长我们的寿命.

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