Fri February 25, 2011 By: Yash Mishra

Human beings live all around the world in different geographical conditions.Then why don't speciation occur in us to form a new species?

Expert Reply
Sat February 26, 2011
This is because we are not geographically isolated from each other. On the contrary, there is continuous gene flow between humans when they interbreed with each other. So they are not reproductively isolated.
Regards, Team Topperlearning
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