Because if a lifeform that resembled a fertilized egg, even a day old, was found on let's say Mars, it would be the most important scientific discovery in History.
Checkmate
Because if a lifeform that resembled a fertilized egg, even a day old, was found on let's say Mars, it would be the most important scientific discovery in History.
Checkmate
It doesn't "develop". It already exists. It enters the foetus anytime up to or at birth.
At conception... one good egg, one good sperm, one good soul = human or animal