英语关于克隆的?

What is Cloning?关于克隆方面，参考：）~
Cloning(克隆技术) is the most attractive story of the new biotechnologies(生物技术) and the one which causes the most heated discussion over its worth. Here are answers to the most common questions about cloning.

1. What is cloning?
Cloning is the creation of cells or whole animals using DNA(脱氧核糖核酸) from a single "parent", bypassing(绕道而行) the normal reproductive process. The clone has the same DNA to the parent.

2. Is cloning unnatural?
No. Clones are always produced by natural means in the shape of identical twins(同卵孪生).

3. How are clones created?
The most common process takes DNA from one cell and puts in a hollowed-out(挖空的；掏空的) egg. Chemicals and electricity are then used to encourage the new DNA to fuse with(与…合并) the egg and develop into an embryo(胎儿). This technique is called nuclear transfer(核迁移).

4.Why was Dolly(世界上的第一只克隆羊) important?
The sheep was the first mammal(哺乳动物) to be