David was told that they could clone someone if they had something like a fingernail or piece of hair as long as it had DNA in it....Teddy handed David the hair he cut off his mother.
Couldn't they have used just small bits of the hair to recreate his mother several times over instead of just the one time?
I would think so. The whole ending didn't make much sense to me, it just seemed like a lazy way of getting to the final scene they wanted.
shareI just saw this again last night and paid better attention because your question was in my head a bit.
The future mechas explained that thought and memories of humans past were imprinted in space/time, and once accessed, it was lost forever. Is it good? No. You would think that these thoughts and memory imprints could also be duplicated, but since it's science that we no nothing about, we just have to accept that as an explanation.
So presumably they could recreate Monica forever, but any clone after the first would have no recollection of David or contain any of Monica's memories.
The Ben Kingsley mecha explained merely creating a clone body was not the problem; the problem was re-creating the personality and memories of the body, for which no real science exists today, and the mechas themselves seemed to think belonged to the realm of quantum mechanics, and represented a technological brick wall they themselves could not breach. This aspect of what is already a 'science-fiction fairytale' does not bother me.
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