
L'hérédité sans gènes
Les magnifiques découvertes que la génétique et la biologie moléculaire ont effectuées depuis les années 1970 seraient-elles dépassées ? Depuis cette date, la molécule d'ADN (acide désoxyribonucléique) est considérée comme l'unique support de l'hérédité et une immense quantité d'observations ont été faites, amenant par exemple au décryptage de divers génomes. Ce cadre conceptuel serait-il devenu trop étroit ? En effet, plusieurs phénomènes ont révélé que l'expression ou le silence d'un gène se transmet de génération en génération on pas uniquement grâce à la fameuse double hélice, mais gaiement par le biais d'autres mécanismes, qui ne dépendent tas des gènes. Cette hérédité, qualifiée d'" épigénétique ", est-elle un nouveau mode d'hérédité ou un recyclage des anciennes idées ?
| Nombre de pages | 186 |
|---|---|
| Date de parution | 15/09/2009 |
| Poids | 530g |
| Largeur | 100mm |
| SKU: | 9782746504288 |
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| EAN | 9782746504288 |
|---|---|
| Auteur | Paldi Andràs |
| Editeur | POMMIER |
| Largeur | 100 |
| Date de parution | 20090915 |
| Nombre de pages | 186,00 € |











