Molecular Evolutionary Clock
E612271
Molecular Evolutionary Clock is a foundational concept in evolutionary biology that uses the rate of genetic mutations to estimate the timing of species divergence and evolutionary events.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| Molecular evolutionary clock | 0 |
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
concept in evolutionary biology
ⓘ
dating technique in biology ⓘ method in molecular evolution ⓘ |
| aimsTo |
estimate timing of evolutionary events
ⓘ
estimate timing of species divergence ⓘ |
| appliedIn |
studies of biodiversity and speciation
ⓘ
studies of human evolution ⓘ studies of viral evolution ⓘ |
| appliesTo |
genes
ⓘ
genomes ⓘ proteins ⓘ |
| assumes |
lineages diverge at measurable molecular rates
ⓘ
mutations accumulate over time ⓘ |
| basedOn |
assumption of approximately constant mutation rate
ⓘ
molecular sequence comparisons ⓘ |
| calibratedWith |
biogeographic events
ⓘ
fossil record ⓘ known historical divergence times ⓘ |
| contrastsWith | morphological dating alone ⓘ |
| developedInContextOf | molecular evolution theory ⓘ |
| field |
evolutionary biology
ⓘ
molecular evolution ⓘ |
| hasVariant |
local molecular clock
ⓘ
relaxed molecular clock ⓘ strict molecular clock ⓘ |
| helpsExplain | tempo of molecular evolution ⓘ |
| helpsIntegrate | molecular data with fossil data ⓘ |
| influencedBy |
generation time
ⓘ
mutation rate variation among lineages ⓘ population size ⓘ selection pressures ⓘ |
| modeledBy |
Bayesian methods
ⓘ
maximum likelihood methods ⓘ |
| relatedTo |
comparative genomics
ⓘ
divergence time estimation ⓘ molecular phylogeny ⓘ phylogenetic trees ⓘ phylogenetics ⓘ |
| requires |
sequence alignment
ⓘ
substitution models ⓘ |
| supports | reconstruction of evolutionary timelines ⓘ |
| usedFor |
dating lineage splits
ⓘ
dating speciation events ⓘ estimating time to most recent common ancestor ⓘ testing evolutionary hypotheses ⓘ |
| uses |
DNA sequence data
ⓘ
nucleotide substitution rates ⓘ protein sequence data ⓘ rate of genetic mutations ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.