News tagged with genetic drift

Bees that go 'Cuckoo' in others' nests

The biota of island archipelagos is of considerable interest to biologists. These isolated areas often act as 'evolutionary laboratories', spawning biological diversity rapidly and permitting many mechanisms ...

Aug 30, 2012
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Interacting mutations promote diversity

Genetic diversity arises through the interplay of mutation, selection and genetic drift. In most scientific models, mutants have a fitness value which remains constant throughout. Based on this value, they compete with other ...

Jun 28, 2012
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Trimming the Tree of Life

(PhysOrg.com) -- In a sense, Antonis Rokas is an arborist: He is a member of a small cadre to scientists who are applying the growing power of genomics to untangle and correctly arrange the branches of the ...

Oct 08, 2009
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