Quote:
Originally Posted by sharphead
Actually... the offspring will die before the age of reproduction more often than not.. apparently its hardcoded into our genes... fucking your sister will give you problems... and alot of them apparently - death being just one of the side effects.
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I think you're thinking of cloning, there will be problems with inbreeding but that's after many generations. Basically humans rely on sexual reproduction to create a new (and more disease resistant) bloodline when we reproduce. Viruses are also constantly mutating, we have to keep up. If you breed with your siblings, your offspring will become increasingly prone to sickness with each generation.
First few generations you probably wouldn't notice...