Identical population-splitting events occurred simultaneously on two neighboring islands, Islands B and C, which are each initially home to different populations of rodent. The population-splitting event produced two subpopulations of rodent on each island: B1 and B2, and C1 and C2. We find that populations B1 and B2 cannot successfully interbreed with each other after 50,000 years, and that C1 and C2 can still interbreed after 100,000 years. Why does reproductive isolation arrive at different rates on these two islands
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Identical population-splitting events occurred simultaneously on two neighboring islands, Islands B...
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