What did Mayr's work emphasize?
Genetic drift
Magnetic fields
Chemical reactions
Physical forces
Answer
Genetic drift, a random change in gene frequencies, was emphasized by Mayr's work. He recognized its importance in shaping the genetic makeup of small populations and its role in speciation, the formation of new species. Genetic drift can lead to the loss of genetic diversity and the fixation of certain alleles, potentially driving evolutionary change.
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