Steps for evolution?

2002/02/01 Elhuyar Zientzia Iturria: Elhuyar aldizkaria

• Eboluzioa

The Bicyclus anynana butterfly has spots on the slopes to protect itself from predators. Therefore, this “biological design” must be continuously adapted to the environment. Scientists have investigated how stains change. It is evident that the gene that has encoded the design of the stains is for a long time, and scientists wanted to study the changes that occur in that gene. To do this, we analyzed the changes that occurred until the ninth generation after the growth of butterflies in the laboratory. In the end, it was stated that the genes of the two radical generations had different base sequences. Is this observed an example of small changes that progressively drive evolution?