Thursday, April 7, 2011

Parapatric speciation

* Occur when one population extends across a broad region encompassing diverse habitats.

* No specific extrinsic barrier to gene flow

* Population continuous but does not mate randomly

* Individuals more likely to mate with their same Geographic neighbors.

Although continuously distributed, different flowering times have begun to reduce gene flow between metal-tolerant plants and metal-intolerant plants.

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