neutral mutation


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neu·tral mu·ta·tion

a mutation with a negligible impact on genetic fitness.

neu·tral mu·ta·tion

(nū'trăl myū-tā'shŭn)
A mutation with a negligible impact on genetic fitness.
References in periodicals archive ?
Whereas the SNP at 116 locus may be a neutral mutation which does not affect the cashmere traits.
pipiens may have experienced a recent and dramatic genetic bottleneck with very little time to accumulate evolutionarily neutral mutations.
These values are consistent with rates of assortative recombination that are, on the average, an order of magnitude greater than the neutral mutation rate (i.
The eventual outcome of sequence divergence depends on four population-genetic parameters: the expected intra-taxon diversity, the baseline rate of intertaxon recombination, the sensitivity of the recombination rate to sequence divergence, and the neutral mutation rate.
Consideration of genetic correlations using biplot is a first step in jointly understanding the roles of neutral mutation and natural selection.
Current versus historical population sizes in vertebrate species with high gene flow: A comparison based on mitochondrial DNA lineages and inbreeding theory for neutral mutations.
Applying these functionally neutral mutations, as well as the key mutations, produced a protein that, unlike its older version, bound only cortisol.
From their data they constructed a lineage that could explain the global distribution of neutral mutations.
The Museum hopes Cy will help demonstrate that only negative or neutral mutations occur in species, disproving the positive mutations required in evolutionary theory.
Thus, for any age influenced only by the fixation of neutral mutations, mortality rates will converge to an equilibrium value equal to the probability that any single mutation increases mortality.
A particularly important class of such mutations are conditionally neutral mutations.
Related are many prominent issues, including those regarding the nature and frequency of neutral mutations, as well as the enigmatic maintenance of high amounts of heritable variation in natural populations.