The sequence of nitrogenous Bases along a strand of DNA determines the genetic code.

Mitochondria do not use the universal genetic code.

线粒体并不使用通用的遗传密码.

So the rate of reading the genetic code has changed.

综上所述,阅读遗传编码的速率已经改变.

Much change is due to random genetic drift rather than positive selection.

许多生物变化源于基因的随机漂变而非主动选择.

Moreover, " genetic drift 、 the neutral theory and molecular evolution " also are brought into the system of curriculum content.

另外, 把 “ 遗传漂变、中性学说和分子进化 ” 也纳入课程内容体系中.

Scientists have found another kind of genetic drift in neutral traits.

除此而外,科学工作者还发现中性特征方面的另外一种遗传偏移.

The question regarding is taken applicable only with respect to genetic drift.

因此近来繁殖问题只选用于遗传漂变.

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

最佳答案是基因的随机变异,它一点儿不讨人喜欢.

Genetic drift can even counteract natural selection.

遗传漂变甚至可以抵消自然选择.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

They say genetic engineering improves crops.

他们称基因工程使收成增加.