When does life beginn?

No one knows. ALL life today is descended from the first bit of life from millions of years go. Even an egg and sperm are alive independent of each other. They may not live very long but they are alive.

You cannot come to Oakland, because: you are already here! and you cannot come to life because you are all ready alive, statist's or conditions of existence previous to life are logically impossible! so! there is no place for you to come from in order to come to life. Life, therefore, cannot begin at the first heart beat, it's logically! impossible!