Multiple Choice
Imagine that alien scientists are carrying out an experiment on Earth. They effectively construct a "shield" surrounding the planet that limits the amount of sunlight/UV radiation that reaches Earth's surface. If the alien scientists return after 60,000 years, what may they discover?
A) Natural selection will not have selected for any particular trait in humans, as natural selection is a process that requires millions of years to occur.
B) Natural selection will have selected for humans with two mutant G6PD alleles.
C) Natural selection would likely have selected for humans with little skin pigmentation.
D) Natural selection would have selected for individuals that are predisposed to rickets.
E) All humans will have become genetically identical.
Correct Answer:
Verified
Correct Answer:
Verified
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