**"It's not like adults can somehow be tested in advance to see if they are psychologically prepared to only take physical discipline so far and then stop—such as a swat on the butt with an open hand."**

This is important. Adults who know they have an issue with temper should be extremely mindful when they develop parenting techniques for their children, like a therapist at Solomon Counseling Center told me--but what about those who are unaware or in denial? It's not a fool proof method at all and completely shuts down the "line between discipline and child abuse" argument for corporal punishment.

To clarify, a zygote is formed when an egg is fertilized. "Fertilized-egg" is a term then used to illustrate to readers what a zygote is. That's how it's used here.

In response to scientific evidence: "The fact that conception begins the life of a human being is an established scientific fact. There's no question-begging when the evidence is quite clear."

Biologically a human begins its growth at conception -- that is true and in my understanding, no one contests this. But when defining conception as the beginning of the life of a "person" we are moving into a moral realm, in which biology cannot be used as an argument. It is this moral argument -- that a "fertilized-egg" is a person -- that Personhood supporters must prove. The claim above, that conception is the beginning of biological human life, does not, in my understanding, support Personhood.

Thanks for discussion!