Pete stated, superstitiously, "When there is a heartbeat and brain activity."
Your sad lack of scientific understanding makes it difficult if not futile to discuss cloning with you. But here's a simple non-scientific but logical question for those reading your assertion (can you recognize the superstitious paradox in pete's assertion, arbitrarily conveying 'human' on that which cannot be anything but human life from the beginning of its existence?): Has anything other than a human popped from a human womb nine months after the start of its life, during the course of recorded history?
And sneakypete answers in a superstitious mode,"Jesus?".