Saturday, June 25, 2011

ScienceDaily: Biotechnology News

ScienceDaily: Biotechnology News

Deep history of coconuts decoded: Origins of cultivation, ancient trade routes, and colonization of the Americas

Posted: 24 Jun 2011 11:20 AM PDT

DNA analysis of more than 1,300 coconuts from around the world reveals that the coconut was brought under cultivation in two separate locations, one in the Pacific basin and the other in the Indian Ocean basin. What's more, coconut genetics also preserve a record of prehistoric trade routes and of the colonization of the Americas.

Mechanics of speciation: Model examines factors that contribute to emergence of new species

Posted: 24 Jun 2011 08:19 AM PDT

Mate choice, competition, and the variety of resources available are the key factors influencing how a species evolves into separate species, according to a new mathematical model that integrates all three factors to reveal the dynamics at play in a process called sympatric speciation.
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