If Native Americans came over from Asia to North America via the frozen Bering Strait, shouldn’t their eyes have an epicanthic fold?
They do.
However I found this that says they do not.
http://www.mc.maricopa.edu/dept/d10/asb/anthro2003/origins/race/racial_odyssey.html
And this one says that some do.
http://www.reference-wordsmith.com/cgi-bin/lookup.cgi?exact=1&terms=Mongol
See I was right!