I can think of few things less “lively” than rehashing a conversation about the EEA, especially since twin studies are no longer the major workhorses of psychiatric genetics. BUT lest other people be confused that this is still actually a contentious issue....https://twitter.com/jayjoseph22/status/1224079641725435904 …
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(Side note:
@daltonconley started this study bc he was out to prove the EEA wrong. Luckily for us, he’s one of those people who .... ahem.... actually changes his mind in response to new information)Prikaži ovu nit -
2- Other methods for estimating heritability don’t rely on the EEA, or on twins at all, but on random variation in the extent of genomic sharing between siblings. And guess what! Heritability doesn’t go away!https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1413498/ …
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I also enjoy the inverse of mistaken zygosity: Nancy Segal's look-alikes, people who look as similar as identical twins but aren't related at all (and, of course, are no more similar than they ought to be).
Hvala. Twitter će to iskoristiti za poboljšanje vaše vremenske crte. PoništiPoništi
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Let us not forget that EEA is not needed for comparisons of more distant relatives which, to my knowledge, always give similar results to the DZ-MZ comparisons.
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Never knew about this work/evidence, fascinating!
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Tweet je nedostupan.
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Wow, interesting that of MZ twins, 74/292=25% self-reported as DZ (Table 1). Much more common than I would've guessed.
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Your conclusion from that study is fair enough for non-cognitive traits, but grade point average goes the other way: misclassified MZ twins (genetically DZ) have higher correlation than misclassified DZ (genetically MZ). That’s strong evidence for bias from omitted family effects
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