Forum: Too Lazy BBS

=?UTF-8?Q?You_aren=E2=80=99t_genetically_related_to_all_your_anc?= =?UTF-8?Q?estors.__---_really=3F=3F=3F?=

From HenHanna@NewsGrouper@user4055@newsgrouper.org.invalid to rec.puzzles,sci.math,alt.usage.english on Thu Apr 9 16:26:37 2026

From Newsgroup: rec.puzzles

>>> Since yourCOre a descendant of your ancestors, it makes sense to assume yourCOre genetically related to all of them rCo right?

As it turns out, thatrCOs not the case. A bit of math combined with the passage of time from one generation to the next shows how, after a certain point, itrCOs simply not possible to share genetic material with all of your relatives.

-------- How puzzling!!!

_________________________________

Zoom in https://video.twimg.com/ext_tw_video/2015645750047170560/pu/vid/avc1/720x1280/wB6qL9EF5Thbd_a4.mp4

_________________________________

Train Car https://video.twimg.com/amplify_video/2032686057456807940/vid/avc1/720x900/vvJ_VJotib4_22Pe.mp4

_________________________________

Smart Monkey https://video.twimg.com/amplify_video/2037870469592797184/vid/avc1/720x912/Kam8RdmumSApUjup.mp4

---------- Was this in India? When did it happen?

--- Synchronet 3.21f-Linux NewsLink 1.2

From James Dow Allen@user4353@newsgrouper.org.invalid to rec.puzzles,sci.math,alt.usage.english on Fri Apr 10 15:28:11 2026

From Newsgroup: rec.puzzles

HenHanna@NewsGrouper <user4055@newsgrouper.org.invalid> posted:

>>> Since yourCOre a descendant of your ancestors, it makes sense

to assume yourCOre genetically related to all of them rCo right?

As it turns out, thatrCOs not the case. A bit of math

combined with the passage of time from one generation to the next shows how, after a certain point,
itrCOs simply not possible to share genetic material with all of your relatives.

-------- How puzzling!!!

https://video.twimg.com/ext_tw_video/2015645750047170560/pu/vid/avc1/720x1280/wB6qL9EF5Thbd_a4.mp4
https://video.twimg.com/amplify_video/2032686057456807940/vid/avc1/720x900/vvJ_VJotib4_22Pe.mp4
https://video.twimg.com/amplify_video/2037870469592797184/vid/avc1/720x912/Kam8RdmumSApUjup.mp4

I don't click on video links except YouTube. Are they pointing out that,
traced back to the time of Charlemagne there are a hundred trillions of ancestor slots in a typical pedigree? This is far more than the number
of nucleotides in a human genome, so each slot contributes, on average
FAR LESS than a single nucleotide.

BUT ...
This ignores the fact that if a person from Charlemagne's time appears
in your pedigree at all, the person appears MANY billions of times.
It is said that each person who lived K centuries ago EITHER has ZERO
living descendants OR is ancestral to every human living today!
(Estimates of K depend on how well extreme isolation like seen in North Sentinel Island is modeled.)

(References above to Charlemagne assume that that King existed, a fact which
is apparently disputed: https://en.wikipedia.org/wiki/Phantom_time_conspiracy_theory
/)

-- James
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