Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL
Spiny fish, lost thorns
2004/04/21 Elhuyar Zientzia
Scientists have a clear footprint to pull evolution in the case of spiny.
Changes in genes are one of the factors involved in the creation of new species. But it is not clear what causes these changes and how they occur. In the thorny one can investigate.
Originally it is sea fish, but over time it also colonized the rivers. To do this, a series of changes occurred in the fish genes, among which are the inactivation of the genes of the proteins that form the bones of the chest, so scientists, in this case, have a clear footprint to pull evolution.
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