Article
Rapid subfunctionalization accompanied by prolonged and substantial neofunctionalization in duplicate gene evolution.
Genetics - 1 Feb 2005
He Xionglei, Zhang Jianzhi
Abstract excerpt
Gene duplication is the primary source of new genes. Duplicate genes that are stably preserved in genomes usually have divergent functions. The general rules governing the functional divergence, however, are not well understood and are controversial. The neofunctionalization (NF) hypothesis asserts that after duplication one daughter gene retains the ancestral function while the other acquires new functions. In...
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