Sentence examples for for a positive selection from inspiring English sources
Although some positions show signs of positive selection, there is no significant support for a positive selection model (M2a vs. M1: χ2 = 1.46, df = 2, p = 0.4819).
for a positive selection.
There was no evidence for a positive selection bias compared with other community-recruited cohorts.
They identified a voltage-gated Na+ channel (VGSC), essential for a positive selection of CD4+ T cells.
Although below 1, the theoretical limit between negative and positive evolution trends, the values obtained indicate a tendency for a positive selection favouring OR repertoire diversification as previously noted for other fishes [ 17, 28] and mammals [ 29, 30].
A positive selection for the insert results whenever the cloning leads to the creation of an additional resistance.
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.
Therefore, the Long Range Haplotype analysis [78] has been applied to test for a potential positive selection effect on these new populations.
The tree used in PAML analysis was first obtained after running M0 in PAML (model = 0 and NS sites = 0. The CODEML program of PAML assigns a likelihood score to models for selection. A likelihood score for a model incorporating positive selection (M2 or M8) that is higher than that for a null model without positive selection (M1 or M7) is evidence for positive selection.
