Off Topic — HabitableZone

Off Topic » in reply to You wrote: "I've heard tell that the Y chromosome is gradually self-destructing anyway." I read the same nonsense.

Think about it: for 200 million years, there has been one delivery system for sexual reproduction among mammals.

If we go to in vitro, that ceases to be true. And what is the primary function of the Y chromosome? To produce the delivery system.

It certainly doesn't produce a hardier organism.

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