Sentences with phrase «selective environmental pressures»

The study, which appears in the journal Molecular Biology and Evolution, offers new insights into these selective environmental pressures that guide butterfly eye evolution.

Not exact matches

Neither the selective pressure nor the evolutionary response could have been identified with the methods used by the majority of studies that examine how wild populations respond to environmental changes, which predominantly concentrate on changes in the phenotype.

Although this chromosomal assortment process is imprecise, it may be retained due to a selective pressure that favors aneuploid strains under certain environmental conditions, such as in patients receiving fluconazole, a situation in which an isochromosome 5 derivative that confers drug resistance often arises [15].

Signatures of Environmental Genetic Adaptation Pinpoint Pathogens as the Main Selective Pressure through Human Evolution Fumagalli, M., M. Sironi, U. Pozzoli, A. Ferrer - Admettla et al. 2011.

The Cambrian Explosion is the outcome of changes in environmental factors leading to changes in selective pressures, in turn leading to adaptive diversification on a vast scale.

«The hypothesis to be tested experimentally in ADAPT was whether longer - lasting selective pressure by UV radiation results in a higher UV resistance, as well as in a higher resistance against further «extreme» environmental factors that exist in space,» Wassmann said.

«If you were to try to feed shrubs to a lion or meat to a cow, both would suffer nutritional deficiencies, illness and disease because of evolutionary discordance between their genome and the newly introduced environmental selective pressures,» says Cordain.

Previous studies have indicated that the 7 - repeat allele is under positive selective pressure, and our results are consistent with the hypothesis that the DRD4 7 - repeat allele increased children's sensitivity to environmental factors such as parenting.