| 1. | Such endoreduplication provides a mechanism for producing extra gene copies .
这种内复制提供了产生额外的基因复制的机理。 |
| 2. | Mister hwang claimed to have produced an exact genetic copy of a dog last year
去年，黄先生声称他已经制造出一只狗的精确的基因复制。 |
| 3. | This would have meant that the south korean scientists had produced the first stem cells that were genetic copies of people with injury or disease
这就意味着韩国科学家首先制造出了能对患病者进行基因复制的干细胞。 |
| 4. | The basic mechanism of viral attack is that the viruses replicate themself using the host ' s ( in this case is " our " ) dna genetic replication system
滤过性病毒攻击人体的基本机制是病毒能够通过使用病人身体中的dna基因复制系统来复制自己。 |
| 5. | The basic mechanism of viral attack is that the viruses relicate themselves using the host ' s ( in this case is " our " ) dna genetic replication system
滤过性病毒能够引起疾病的机制是，病毒能够通过使用病人身体中的dna基因复制系统来复制自己。 |
| 6. | The basic mechanism of viral attack is that the viruses replicate themselves using the host ' s ( in this case is " our " ) dna genetic replication system
滤过性病毒能够引起疾病的机制是，病毒能够通过使用病人身体中的dna基因复制系统来复制自己。 |
| 7. | The basic mechanism of viral attack is that the viruses replicate themselves using the host ' s in this case is " our " dna genetic replication system
滤过性病毒能够引起疾病的原因是，病毒能够通过使用病人身体中的dna基因复制系统来复制自己。 |
| 8. | Since 1997 , when scientists announced the birth of dolly the sheep , the first cloned mammal , the specter of cloned babies , infants ( that are in essence genetic carbon copies of adults ) , has loomed large in the public psyche and in the minds of lawmakers
译文：当科学家1997年宣告首个克隆哺乳动物多利羊的诞生，克隆婴儿就在人们心中埋下了阴霾，因为它们其实/本质上就是成年人的基因复制物/翻版，这种阴霾一直笼罩在公众和立法者的心里。 |
