Exact(55)
Generally, rifampicin resistance evolved early – within 500 generations - and swept to fixation within a few hundred generations.
The scientists observed that after 500 generations, two types of E. coli were dominant in the flask, each with a distinctive set of mutations.
Every 500 generations, Dr. Lenski and his colleagues freeze some of the bacteria, which they can thaw years later to compare with their evolved descendants.
To get the optimal results, all the simulation results are obtained after the genetic algorithm executed more than 500 generations.
During the course of 500 generations, or about a week, the robots evolved to use their blue lights to communicate.
Four chains of Markov chain Monte Carlo (MCMC) simulation were carried out for 1,500,000 generations each with trees sampled per 500 generations.
Two analyses were performed in parallel, each with 4 chains of 20 million generations with temperature set to 0.1, and posterior distribution was sampled every 500 generations.
Similar(4)
Markov chains were run for 100,000,000 generations and sampled every 2,500 generations with the first 10,000,000 generations discarded as burn-in.
ZDB478 and ZDB564 were isolated at 25,000 and 31,500 generations, respectively.
Over the 80 500 generations, no events were detected for IS3, IS4 and IS150.
Thus, nearly all Cit++ cells had either the aceA, gltA2-1, or gltA2-9 atlele at 33,500 generations.
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