Sentence examples for low levels of fixation from inspiring English sources

To determine whether these mutations were increasing from passage to passage due to low levels of fixation in the population, we computed the frequency of synonymous and nonsynonymous changes within the cluster.

We found low levels of fixation, and correspondingly high levels of gene flow or shared common ancestry, between the two populations both before and after the drought.

The low levels of fixation maintained between the two populations across seven generations (Table  3) [see Supporting Information ] could have resulted if they had been very genetically similar across the data collection period.

For example, if both populations had been established by individuals from the same source population, one population had been established from the other, or they were effectively a single population in the recent past, they would exhibit low levels of fixation.

Machado and Zetsche demonstrated the presence of RuBisCo, chlorophyll, and low levels of carbon fixation in Cuscuta reflexa, a member of subgenus Monogyna [ 19].

F-statistics indicate that these populations have low levels of inbreeding (mean fixation index [ FIS] = 0.0183).

Similarly the 13U nodules showed bacteria within the cells of the infection zone, but low levels of infection within the nitrogen fixation zone.

In the case of our strains, the transporters may be of extreme importance, as the Brazilian Cerrados are very poor in nutrients, with low levels of elements critical for the N2-fixation process, such as phosphorus, molybdenum, and calcium [ 33].

To avoid potential biases in inferring the fraction of beneficial amino-acid fixations due to low levels of divergence, I also estimated α using divergence to a more distantly related species.

The first task is accomplished through a negligible induction of proactive plasma inducers of inflammation, insignificant levels of complement fixation and delayed and low levels of cytokines and chemokines, as demonstrated here and in other works [3], [11], [43].

In some countries, including Brazil, sugarcane is planted with low amounts of nitrogen fertilizers and there is evidence that the use of low levels of nitrogen can be compensated by Biological Nitrogen Fixation (BNF) [ 1].