One in 30 million

The Red Queen hyopthesis: why there’s sex.

It’s easy to miss the point that all gametes are unique [from the chromosome variations they carry, roughly 46P23 cos of random occurences of down’s syndrome, alpah amle syndome etc, and the 46 parent chromosomes come from a seemingly infinite database].

Which is why twins are identical if a zygote splits in two but NOT if two sperm fertilize the same egg. Which is why different people are born to the same two parents on multiple occasions.

So it really is a marvel that “you” were born. And not in a good way. It could’ve easily been someone else. Unless you wanted to motivate yourself and say, fighting spirit was the reason you were born in the first place.


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