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Ball-park estimate on in-breeding (human)

2022.01.25 07:51 teh_saccade Ball-park estimate on in-breeding (human)

Hi,
This is a question for anyone, and please be aware that it is for fiction, not anything real.
It is common knowledge that inbreeding (esp. along familial lines) can lead to genetic issues that are detrimental to the species, whether it be dogs, rats, bats or humans.
What I am asking for here is a guesstimate on how long it may be (in human terms) for the human race to have exhausted the gene pool we have, before it becomes necessary to either:
a) modify genes in parents / correct defects in offspring (gestation or later). b) introduce breeding policies to avoid known pathways to error. c) require additional diversity (eg, genetically modified parentage / other species / races).
For example, there is an island with no contact outside (use christmas as an exmple) and within several generations - everyone can trace their lineage back to christmas adam and christmas eve. As generations progress, more and more become it becomes apparent that genetic aberrations are negative issues, and very few are what would be called, I suppose, evolutionary mutations.
In such a small community as 1000 individuals - if the population is limited to a terminus by space and resources available to 1 million - there comes a point in my simulation whereby the family trees, rather than continuing to branch out, start to branch inwards as the % number of couplings that result in children non-viable starts to collapse the population.
It results in a diamond-shaped tree.
Please be aware that I am running a very basic simulation with a very set % of issues when particular 1,2,3,4 sequences are met by both parents, and constant rate of reproduction.
I know that this is not realistic, but consider it a thought-game and project ourselves, evolved monkeys stuck on a ball of rock, falling through space...
It may be aeons, but that is the scale I am working with for the story spans over many aeons.
While some authors such as Stephen Baxter have the human race evolving over such vast distances in time, into beings that adapt to their environment (evolving into consciousness supported along cosmic strings, I think was the end-point in that short story) - I have not found one that deals with overcoming the "limited" gene pool that we have being trapped on earth, with the resources (and gene-altering influences, from diet to drugs to direct exposure) that we do.
Is anyone willing to throw a few numbers at me, with a short reason as to why they believe this would be..?
Even if it is, "never"..?
Thank you!
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2022.01.25 07:51 Ice-Guardian What is it called you intentionally do things to hurt yourself?

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For example, I play ice hockey and I hate it when I don't get hurt, and purposefully don't wear some gear so I get hurt worse... It's not that I "enjoy" pain exactly, but I feel the need to cause pain "accidently" like at work when I might put my finger in front of my box knife (I don't cut it, I have a fear of blood) just to "accidently" cut it... It makes me feel alive, and actually don't like how pain feels actually... It's hard to explain.
At times, i have hurt myself ice skating and was limping for a few weeks but still refused to stop going weekly and kept injuring it more everytime I fell on it again. But here's the weird part: I try to hide it from other people and wouldn't limp in front of them but whenever I was alone I would actually play it up and limp more just becauae... It's as though it's the complete opposte to Munchausen Syndrome, I don't do it for attention at all but I can't help but keep thinking "why does no one ask about it?" even though I purposefully don't show it in front of people... Where's the logic in that?
Is there a psychological term that explains that?
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You are Shit and i am the Sweeper, why dont we make this Relationship a little bit Deeper
Local Pakistani guy here in my early 20s Lookin for good long term friends and yes i did come up with those rhymes all by myself in a matter of seconds, if you do become my friend maybe i'll write a custom poem for you, trust me people have laughed and cried while laughing reading them
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