Multiple Choice
The example of the sickle-cell allele demonstrates a key aspect of evolution through natural selection,in that
A) adaptation and fitness are in relation to the individual organism, not the general population.
B) human populations in the tropics are the most susceptible to random changes caused by natural selection.
C) natural selection increases the variety in a population upon which subsequent natural selective processes can act.
D) adaptation and fitness are in relation to specific environments; traits are not universally adaptive or maladaptive.
E) although natural selection usually acts upon the phenotype, it can sometimes act upon the genotype.
Correct Answer:
Verified
Correct Answer:
Verified
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