[Falling3]

> It has human DNA unique from the mother and, in this case, an independent heartbeat.

I don't know why people use DNA uniqueness as a qualifier of anything. Are identical twins and clones not alive? Heartbeats aren't a measure of life either and, at 6 weeks, there is still no functioning heart. So despite the colloquial usage of the term, there is no heartbeat.

[zdragnar]

They may not be necessary conditions, but many consider them to be sufficient.