No, I don't, because they're not: are identical twins more likely to live in the same zip code as fraternal twins? Seriously, think about it for a second. Or I'

No, I don't, because they're not: are identical twins more likely to live in the same zip code as fraternal twins? Seriously, think about it for a second. Or I'll put it this way: how much more likely are identical twins adopted out to live in the same zip code? Nor does zip code predict remotely as well as IQ.