Sentence examples for a positive selection for from inspiring English sources

This implies a weak structural constraint acting on the control region, even lower than that acting on the 3rd codon position or even a positive selection for A+T.

This is hardly surprising: because it is harder for same-sex couples to have children, there is a positive selection for what are more likely to be doting parents.

These results suggest a positive selection for the earliness allele.

Our observation that the reduction in Rac1 activation was relatively subtle in RacWt/- tumors compared to RacWt/Wt tumors, may reflect a positive selection for cells with the greatest levels of activated Rac.

This type of genome evolution is difficult to explain other than in terms of a hypothesis where a positive selection for cluster complexity provides the basic materials for the generation of new resistance specificities [37].

Apparently there has been a positive selection for clustering of these physically interacting proteins in the sequenced Brachyspira species, whilst there has been no absolute requirement for juxtaposition of other genes in the genomes.

They identified a voltage-gated Na+ channel (VGSC), essential for a positive selection of CD4+ T cells.

A positive selection pressure for the V3 diversity can be the humoral immunity.

Malaria, thalassemia, and sickle cell anemia may, therefore, exert a positive selection pressure for carriers of G6PD mutations.

These experiments confirmed that the sulfonylurea resistance cassette can be used as a positive selection marker for gene deletion in Z. tritici.

We also attempted to inactivate Z. tritici KU80 with pC-SUR-KU80-KO to test the utility of the sulfonylurea resistance cassette as a positive selection marker for gene deletion.