How accurate is DNA?

Twin_Moose

Hall of Fame Member
Apr 17, 2017
22,041
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Twin Moose Creek
Identical as opposed to fraternal.

This is why I was asking

The main difference between maternal and paternal twins is that maternal twins are genetically-identical whereas paternal twins are non-identical twins. Maternal twins are also called identical twins or monozygotic twins. They are formed by the splitting of the fertilized egg.
 

Kreskin

Doctor of Thinkology
Feb 23, 2006
21,155
149
63
Hah! Good one T-Bones...

There was a rumour going around the Capital a few years back that our former Prime Minister Joe Clark was the lovechild of John Diefenbaker and his secretary at the time. Can you see the resemblance?...



Clark has some squirrel DNA.
 

Tecumsehsbones

Hall of Fame Member
Mar 18, 2013
60,396
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Washington DC
Identical twins recently had their DNA examined for ancestry, which showed quite different results. What do we read into this?
Why, that all science is mere charlatanry, JLM.

I strongly recommend that, the next time you're unwell, you use a strict course of bleeding and purging to rectify the balance of the bodily humours. None of these fancy pills for you!
 

darkbeaver

the universe is electric
Jan 26, 2006
41,035
201
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RR1 Distopia 666 Discordia
‘Jews a Race’ Genetic Theory Comes Under Fierce Attack by DNA Expert



For years now, the findings of Ostrer and several other scientists have stood virtually unchallenged on the genetics of Jews and the story they tell of the common Middle East origins shared by many Jewish populations worldwide. Jews — and Ashkenazim in particular — are indeed one people, Ostrer’s research finds.
It’s a theory that more or less affirms the understanding that many Jews themselves hold of who they are in the world: a people who, though scattered, share an ethnic-racial bond rooted in their common ancestral descent from the indigenous Jews of ancient Judea or Palestine, as the Romans called it after they conquered the Jewish homeland.
But now, Elhaik, an Israeli molecular geneticist, has published research that he says debunks this claim. And that has set off a predictable clash.
“He’s just wrong,” said Marcus Feldman of Stanford University, a leading researcher in Jewish genetics, referring to Elhaik.
The Ashkenazi are descendents of central-Asian Khazars who converted to Judaism about 800 AD. Then Khazaria fell and the Khazarian Jews migrated northward into Russia and westward into Europe.





 

Curious Cdn

Hall of Fame Member
Feb 22, 2015
37,070
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How accurate is DNA?

Based on the state of some of the posters on here, DNA appears to be succeptible to all sorts of inaccuracies.