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Science. 2009 Feb 6;323(5915):746-51. doi: 10.1126/science.1158997.

Is genetic evolution predictable?

Author information

1
Department of Ecology and Evolutionary Biology, Howard Hughes Medical Institute, Princeton University, Princeton, NJ 08544, USA. dstern@princeton.edu

Abstract

Ever since the integration of Mendelian genetics into evolutionary biology in the early 20th century, evolutionary geneticists have for the most part treated genes and mutations as generic entities. However, recent observations indicate that all genes are not equal in the eyes of evolution. Evolutionarily relevant mutations tend to accumulate in hotspot genes and at specific positions within genes. Genetic evolution is constrained by gene function, the structure of genetic networks, and population biology. The genetic basis of evolution may be predictable to some extent, and further understanding of this predictability requires incorporation of the specific functions and characteristics of genes into evolutionary theory.

PMID:
19197055
PMCID:
PMC3184636
DOI:
10.1126/science.1158997
[Indexed for MEDLINE]
Free PMC Article

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