This observation demonstrates that after rearrangements occurred within the plastid genome, these changes were fixed and maintained within cultivars by vegetative propagation.
Otherwise, it is inconceivable that such a mutation would have been fixed and then maintained in land plant organelle genomes over a course of evolution of more than four hundred million years.
Conditions of acceptance, scales of payment, and timetables were laid down; the route was fixed, and hostels were maintained along the route.
Wesson, however, said residents in both districts have the same demands of City Hall: trees that are trimmed, roads that are fixed and parks that are properly maintained.
Determination of minimum inhibitory concentrations of individual SL and tetracycline: in the first step, A600, that is, absorbance of bacterial suspension giving isolated colonies, was fixed and the same A600 was maintained throughout the experiment.
Tumors were removed, fixed and maintained in paraffin blocks.
Once such mutations have been fixed, selection to maintain the duplicated array is reduced and the extra copies are lost, leaving only the ancestral gene and the new duplicate with a novel function.
Embryoid bodies were fixed, washed, maintained in 30% sucrose, snap frozen in OCT and sectioned on a cryostat at 12 um thickness.
Today, election budgets are spent fixing and maintaining current voting machines, which were purchased with money granted to local jurisdictions in the wake of the 2000 Bush-Gore election when Congress passed the Help America Vote Act.
