Does a replication error then render the single cell that started as *not human* then? Then what? We can kill it, too, with a clear conscience?
What criteria do YOU use to base the humanity of a person on then and why?
Why so eager to declare the fetus *not human*? What's the purpose and who gets to decide that anyway?
I was responding to your posts that we have the same DNA at conception that we have at the age of 70.