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For god's sake, Humans ARE apes. If you want to see a talking ape just look in a mirror
Ok, then by your account scientists are conducting a completely unecessary experiment then?

If you want to believe you are an ape please, don't let me stop you.
Now, what you obviously DON'T understand is what a Chimera actually is. Chimeras occur naturally (this has been recently discovered) as a result of DZ zygotes being too close and combining to make a single human being who may in different parts of their body have separate DNA. A chimera in effect then
should have been a set of DZ twins, but intstead combined to make a singleton. It may occur in MZ's but that obviously cannot and probably will not ever be proven because the DNA would be identical, and can't be tested. What they are doing isn't therefore true chimerism, it's a strange branch off of the natural form.