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Tuesday, 3 November 2015

What Are The Chances?

What Are The Chances?

What are the chances of you being here today?
What are the odds against you ever being born?
It’s not easy seeing, how you might have come into being
The statistics are staggering, the numbers mind-boggling
So let’s check there’s no deception regarding your conception
Let’s not be defective, but get some perspective

The first obstacle to your birth, is the pre-existence of Earth
Which pre-supposes the creation of the whole Universe,
The evolution of its galaxies and solar systems and all of that gang
The planets and even life on this world – all the way back to The Big Bang
The conditions had to be right, there had to be sun-light
So that single-celled organisms might, and primeval life able to fight
Its way out of the primordial soup -  indeed out of that gloop
Came all forms of life as we know it
Natural selection of life, in years measured over four billions
And humanoids spanned out in the merest two millions

And every one of your ancestors had to last until reproductive age
For a hundred and fifty thousand generations in an unbroken lineage
And if each one had not happened in the right combination
Each person would have been a different creation
And so on, and so on, back to beginning of time, so count yourself lucky
If you want to know how it’s done
The odds are 400 trillion to one
That’s four times ten to the power of fourteen, that you might never have been
Which makes the odds on football pools, the lottery and bingo look exceedingly keen
So just a single slip, a connection that didn’t quite meet
And you’d have possibly been your own sibling or cousin, which is quite sweet
Although you never really liked them, which is quite neat

The next part of this string, is the whole boy meets girl thing,
And the possibility of your specific parents meeting at all
The chances of talking to each other, dating and mating
The relationship developing, having a ball
And having sex with a suitable exchange of…. bodily fluids…

Did you know - a fertile female has a hundred thousand eggs
And a fertile man produces twelve trillion sperm
Over their respective lifetimes….that’s quite a long term
And whilst those are figures are relatively firm,
He’d have had to have been very firm (don’t squirm)….on the nights they made love
Including Saturday nights, after the pub,
For her to get in the club…

Now into the workings of reproduction we’ll peek
For each egg and each sperm is genetically unique
And you are the result of the fusion of one egg with one sperm
One exact unique meeting and fertilisation coming to term
And so was each of your parents, and each of their parents -
That’s your grandparents - going all the way back into history
It’s therein, that lies all of the mystery…

Now if only one of these combinations had been different you see
Or not happened, you wouldn’t be here listening to me!
The chances against you existing are greater than the number of particles in the universe
Which is a very, VERY big number, and what is much worse,
Thinking about it could make your head explode, which would be even worse
The mathematical pinnacle of a sequence
The frequence of which is almost infinitesimally small
It’s nothing short of a wonder that you’ve made it here at all…

So the chances are basically infinite… or maybe they’re zero
Which may mean that none of us ought to exist, and here is the gist…
Perhaps we’re figments of our own fertile imaginations
Just pigments in paint, a permutation that’s faint
But, either way, it’s almost a miracle
So you are something special, or even a hero
And it means you’re unique, almost a zero
You’re an “only”… doesn’t that make you feel lonely?
Except for doppelgangers of course
And triplets and twins…but I’m not going there
In case it does all of our heads in…

So what are the chances, what are the odds?
So many forks in the road never taken
Let’s hope that you’re suitably shaken
So many alternative paths
Well – you do the maths!

On the other hand – and here is the fun -
The fact that you’re here shows we’re virtually done
The probability of your existence is actually one hundred percent
Which in mathematical terms… is equal to one


Copyright Andy Fawthrop 2015

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