Big Jake, from the side view, she was definitely sub-Saharan African. I assume Seth McFarlane or somebody told the cartoonist to make an ethnic looking character, and they just threw a dart at a wall, not realizing that Iraqis look less ethnic than most Mexicans, and could easily be mistaken for Albanians or Italians, if not Brits like Elizabeth Hurley.
Timewalker, evolution of a massive interconnected species would require winnowing the gene pool. It's an interplay of both winners (who reproduce) and losers (who don't). Do you care to nominate some losers so we can make sure they quit breeding? Have any favored traits to select for? Any favorite races?
Back in the 1930's a similar view to NGT's was common, holding that humans would evolve to lose all but one finger because the future was pushing big fat buttons on giant machines. Unasked was what would be killing off all the ten-fingered people.
The gene pools shifts if a successful group out-reproduces less successful groups (Idiocracy?), often by having the less successful groups starve or die young. Are there any plans I don't know about to cause below average people to die from car crashes or easily cured infections or not hook up? If we travel to Mars, are we going to try and kill off the 90 percent of settlers whose genes just aren't cutting it, or are we going to engineer ways for all humans to stay alive and fertile after arrival?
What Tyson and you are suggesting sounds like Lysenkoism, whereby the act of simply placing us in a new environment somehow changes our genes without the nasty bit about selecting the few who will make it to the next generation and culling the rest. Given that we live in a capitalist democracy where the people to cull buy things to keep themselves healthy and alive, and vote, I don't see a long-term prospect of getting them to volunteer to exit the gene pool.