关于克隆的英文小短文
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关于克隆的英文小短文
关于克隆的英文小短文
关于克隆的英文小短文
What is Cloning?
Have you ever wished you could have a clone of yourself to do homework while you hit the skate park or went out with your friends?
Imagine if you could really do that.Where would you start?
What exactly is cloning?
Cloning is the creation of an organism that is an exact genetic copy of another.This means that every single bit of DNA is the same between the two!
You might not believe it,but there are human clones among us right now.They weren't made in a lab,though:they're identical twins,created naturally.Below,we'll see how natural identical twins relate to modern cloning technologies.
How is cloning done?
You may have first heard of cloning when Dolly the Sheep showed up on the scene in 1997.Cloning technologies have been around for much longer than Dolly,though.
How does one go about making an exact genetic copy of an organism?There are a couple of ways to do this:artificial embryo twinning and somatic cell nuclear transfer.How do these processes differ?