The luckiest person on Earth is you.
The probability of your dad meeting your mom: 1 / 20'000
The probability that they stay long enought to have kids? 1 / 2'000
Which combined are 1 / 40'000'000 !
But this is just the beginning...
The probability that your mother's egg met exactly the 1 sperm that together made you, is 1 in 400'000'000'000'000'000 (1 in 400 quadrillion).
In order to have you here, each of your ancestor had to live until reproductive age. We are not just talking about your granparents. You have to go all the way back to the firs single-celled organism. So what are the odds that your lineage remained unbroken for the length of human existance? 1 in 10^45'000!
But wait... the right sperm had to meet the right egg for every single one of those ancestor, which goes back for 150'000 generations. What are the odds that the right match happened 150'000 times? 1 in 10^2'640'000
Now let's sum all these probabilities:
(10^2'640'000) x (10^45'000) x 2000 x 20000 =
So the odds that you exist at all are basically ZERO.
Pretty lucky of being here, aren't you? :)
Source : A quora answer which was sourced here.
The probability of your dad meeting your mom: 1 / 20'000
The probability that they stay long enought to have kids? 1 / 2'000
Which combined are 1 / 40'000'000 !
But this is just the beginning...
The probability that your mother's egg met exactly the 1 sperm that together made you, is 1 in 400'000'000'000'000'000 (1 in 400 quadrillion).
In order to have you here, each of your ancestor had to live until reproductive age. We are not just talking about your granparents. You have to go all the way back to the firs single-celled organism. So what are the odds that your lineage remained unbroken for the length of human existance? 1 in 10^45'000!
But wait... the right sperm had to meet the right egg for every single one of those ancestor, which goes back for 150'000 generations. What are the odds that the right match happened 150'000 times? 1 in 10^2'640'000
Now let's sum all these probabilities:
(10^2'640'000) x (10^45'000) x 2000 x 20000 =
1 in 10^2'685'000
So the odds that you exist at all are basically ZERO.
Pretty lucky of being here, aren't you? :)
Source : A quora answer which was sourced here.
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