The reason religion is so powerful

[Mister Agenda]

You've compared zygotes to toenails. That places you at a serious intellectual disadvantage. Your arguments would improve greatly if you distanced yourself from false equivalencies.

I wanted to raise chickens in my back yard, so I thought I should buy some fertilized chicken eggs to get started.

The guy at the chicken store told me I'd get the same results if I just bought a bunch of molted feathers, though, and they were cheaper.

I'm not sure why the farm hasn't worked out.

So clever. /s

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I was clearly talking about the unborn as human organisms and not as body parts in the context of a discussion about the inherent value of human life. Maybe I am not very artful but at least I am not a grammar scold.

Again, your cheek scraping could be used to create a clone of you. Do you still maintain that 'genetically human' is sufficient to maintain the a human egg is a human being from the point of fertilization?

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Parasites are defined by their function and behavior—to exist like a parasite is to be a parasite.

I exist like a 40-year old, so I must be 40 years old.

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Bolded: The placenta uses a cloaking device.

Okay, and do you understand why the placenta needs to hide from the mother's immune system? Because, contrary to many pro-choice arguments (and I understand not everyone goes this far), this is not the woman's body. The embryo is a separate organism, with a separate genome, and a separate blood supply.

Which is what makes the pregnant woman the host for the developing fetus.