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"The main thing that would have to be proved is that the sperm was not genetically damaged and was the same as sperm produced in the testes. Similar checks are already carried out on eggs and embryos used in women's fertility treatment."
Very interesting. I guess germ cells are like baby sperm. So they are getting naturally occurring germ cells and just incubating them so they can turn into sperm.
I was thinking they were making some sort of artificial sperm or cloned sperm, and that kind of defeats the whole point, since you want a lot of diversity between all the little swimmers so only the strongest and fastest ones survive. But using this method, they are getting the same sperm that would come out anyway if everything was working correctly. Pretty cool.
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