genes determine the characteristics of every living thing.

基因决定每个生物的特征。

Variation among humans is limited to the possible permutations of our genes.

人类的变化形式受限于我们基因可能的那些排列。

Scientists would soon be able to manipulate human genes to control the aging process.

科学家将很快能够通过操控人类基因来控制衰老的过程。

Variation among humans is limited to the possible permutations of our genes.

人类的变异受限于我们的基因可能存在哪些排列。

genes are those tiny bits of biological information swapped in sexual reproduction.

基因是在有性繁殖中交换的微小生物信息。

The technique has been to mutate the genes by irradiation or chemicals.

该技术是通过放射线照射或者使用化学方法使基因变异。

Scientists would soon be able to manipulate human genes to control the ageing process.

科学家们很快将能通过操控人类基因来控制衰老过程。

Embryonic development seems to be controlled principally by a very small number of master genes.

胚胎发育似乎主要受制于少数主导基因。

Their work includes the identification of genes which govern the growth rate and fertility.

他们的工作包括找出那些控制生长率和繁殖能力的基因。

Natural selection ensures only the fittest survive to pass their genes on to the next generation.

自然选择确保只有最适应环境的物种得以存活下来，把基因传给下一代。

You have good genes from your parents, so you should live a long time.

你从父母那儿获得优良的基因, 所以能够活得很长.

More studies will be required before we know what the functions of these genes are and whether they relate to each other.

要弄清这些基因的功能以及它们彼此之间是否关联，我们还需要开展更多的研究。

We could carry that one step further by taking the same genes and putting them into another crop.

我们可以再进一步：取出相同的基因，并将它们植入另一植株。

Differences will help to reveal the functions of the genes.

它们间的差异将会帮助我们揭开基因多种功能.

Dr Haseltine still believes there are more than 100,000 human genes.

黑塞尔廷博士仍然相信人类基因有10万多个.

genes determine the characteristics of every living thing.

基因决定每个生物的特征。

For this reason they are sometimes called jumping genes.

由于这个原因,它们同时又被称为跳跃基因.

Two nonallelic genes affect the same character and enhance each other's effect.

两个非等位基因影响同一性并能增强彼此的效应.