Results 51 to 60 of about 32,098 (126)

Within selection Dentro de la selección

open access: yesRevista Chilena de Historia Natural, 2007
The synthetic theory of evolution proposes that biotic variations generated by mutation are mostly fixed, lost or maintained polymorphic by natural selection, with a marginal effect due to genetic drift.
CARLOS Y VALENZUELA
doaj  

Epigenetic therapy in allogeneic hematopoietic stem cell transplantation

open access: yesRevista Brasileira de Hematologia e Hemoterapia, 2013
DNA methylation and other epigenetic phenomena appear to be relevant in the pathogenesis of several malignant disorders. DNA methyltransferases add methyl groups to cytosine-phosphate-guanine (CpG) islandsleading to gene promoter silencing.
Qaiser Bashir   +3 more
doaj  

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