this post was submitted on 23 Nov 2024
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Showerthoughts

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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. A showerthought should offer a unique perspective on an ordinary part of life.

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[–] urheber@discuss.tchncs.de 21 points 15 hours ago (2 children)

nah, technically were all from the same bloodline or something so whatever

[–] rikudou@lemmings.world 7 points 15 hours ago (1 children)

On the biological level, true enough.

I find it kinda fascinating that every single ancestor of mine lived long enough to procreate. My life can be directly linked to some unknown single celled organisms billions of years ago and every evolutionary step between those and a human, that's really weird to think about.

[–] givesomefucks@lemmy.world 5 points 14 hours ago

It's not his best work, but Mike Skinner made a song about it a decade or two ago. Like. Almost verbatim what you typed which is why I remembered it.

For billions of years since the outset of time

Every single one of your ancestors survived

Every single person on your Mum and Dad's side

Successfully looked after and passed onto new life

What are the chances of that like?

https://www.youtube.com/watch?v=yc9gIzRhrvY

Not like it's a bad song, it's just Mike fucking Skinner, so he's got a pretty high standard for one of his best songs.

[–] givesomefucks@lemmy.world 4 points 14 hours ago* (last edited 14 hours ago)

Yep, the only thing that's lost is any mutations unique to that "bloodline".

That rarely happens, and when it does it's almost always something that wasn't beneficial to begin with.

We're all just different combinations of the same DNA. Some of our ancestors were just isolated enough for already old mutations to become concentrated enough to get expressed in the majority of the population.

Like, going off memory but there's like 17 different mutations for eye color?

None of them cease to exist when they're not expressed, and they still have the same chance of showing up later.

The Blue Fugette's from Kentucky is a great example. The original heads of that family was a French man and an Irish woman who's bloodlines hadn't crossed in probably thousands of years.

But they both had the same rare recessive trait for their blood to be less oxygenated than normal. So their kids had a blue hue. Because they moved to an isolated location with a small amount of other families, their kids with double recessive genes lead to a bunch of blue people in a couple generations after it had spread in the population.

Even if they had all died out for some reason, it wouldn't stop another random couple with the resseive genes from meeting and moving to another isolated population.