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Notes -
Nobody knows how much of the variance is captured. I assume a low amount as this is unproven technology.
I'll grant that I assumed the average difference between sibling was less than 12-13 points, so if that's true I'll admit the difference in IQ can be more than 1 or 2 points.
(Caveat: even though IQ is mostly genetic, it's still partially environmental. So if the mean difference is 12-13 points, the mean genetic difference is less.)
Nevertheless, until we radically change how IVF works we won't be selecting from dozens of embryos. I still rate this intervention as incredibly minor without further advancements.
Sasha Gusev lists IQ PGS as explaining 41% variance at population level and 14% between sibs, since he tries to give as much deflated numbers as possible without lying, true must be higher.
sibs share environment.
ROI of improvement in possible child income by IVF PGD expenses is high
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