[PDF] Top 20 THE MUTATION LOAD IN SMALL POPULATIONS

... As long as the selective disadvantage of the mutant is of a larger order of magnitude than the mutation rate and the heterozygote fitness is not out of the range of that[r] ... See full document

... of mutation in humans suggests a 1% or so decline in the baseline performance of physical and mental attributes in populations with the resources and inclination toward minimizing the fitness consequences of ... See full document

... When the population size is very small, the gene frequency will be determined solely by the mutation rate and will in our model be close to one half. The fre- quency of the less[r] ... See full document

... a mutation rate modifier, its genetic background is that of the ...own mutation–selection balance and end up with its own, larger, mutational ...deleterious mutation does not affect the ultimate ... See full document

... Eight replicates were made for each chromosome or combination, and over 600,000 flies were counted in all.-There was no significant difference in the mean viabiliti[r] ... See full document

... sncRNA populations yielded small RNA biomarkers that can be used to identify difficult-to-diagnose TB cases regardless of level of lung injury (as seen on CXR images), bacterial load, or clinical ... See full document

... Inbreeding depression is a general phenomenon that is due mainly to recessive deleterious mutations, the so-called mutation load. It has been much studied theoretically. However, until very recently, ... See full document

... extremely small equilibrium variance results in the genetic algorithm taking many orders of magnitude longer to solve the ...of mutation, selection very rapidly produces a highly correlated population which ... See full document

... The two variables are the percentage of +/+ flies in test cultures heterozygous for two different wild chromosomes, and the mean of the percentages of such flies in [r] ... See full document

... traditional mutation-accumulation approach (16, 17, ...of mutation occurrence in the genome, and that mutations at different loci underlying the trait are in gamatic phase ...traditional mutation- ... See full document

... laboratory populations that have previously fixed a mutator allele have been shown to evolve a lower mutation rate later in the experiment, suggesting that mutation rate evolution is an ongoing ... See full document

... for small DU. appreciable chance of back-mutation once at high fre- ...low mutation rate modifier with the delity of DNA replication is costly (Sturtevant 1937; beneficial mutation (Taddei et ... See full document

... the load is the reduction in fertility relative to that of a mutation-free individual, not the proportion of individuals that fail to have descendants in the next ...eterious mutation-free individual ... See full document

... If such selection has maximal efficiency, i.e., if in the organisms (cells) with at least one mutation-free initial cell (organelle) only such cells (organelles) can be [r] ... See full document

... The distribution of heterozygosity for overdominant genes is considerably different from that of neutral mutations, and if the ratio of selection coefficient (s) to muta[r] ... See full document

... involving long-term response to drift and selection), the results differ markedly for different models. Despite this difference, however, the two models give comparable r[r] ... See full document

... K103N mutation (without linkage to another drug resistance mutation) were 30% of all viral populations of week 23 (Additional file 1) and none was the dominant subpopulation (Figure ... See full document

... genomic mutation rate and decrease cell viability, could be capable of inducing a lethal rate of mutation (Negishi et ...increased mutation rate, whereas the perceived contribution of potential ... See full document

... Comparisons have been made between the distribution of the three main geno- types as determined by analyzing the off spring of collected males crossed to light females from laborato[r] ... See full document

... The indeterminacy of the micro-evolutionary changes here described, the different equilibrium levels attained in different experiments, and the variations in the selection coeff[r] ... See full document