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Impact of Selection and Demography on the Diffusion of Lactase Persistence
BACKGROUND: The lactase enzyme allows lactose digestion in fresh milk. Its activity strongly decreases after the weaning phase in most humans, but persists at a high frequency in Europe and some nomadic populations. Two hypotheses are usually proposed to explain the particular distribution of the la...
Autores principales: | , , , |
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Formato: | Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2711333/ https://www.ncbi.nlm.nih.gov/pubmed/19629189 http://dx.doi.org/10.1371/journal.pone.0006369 |