molecular clock

collocation in English

meaningsofmolecularandclock

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withclock.
molecular
adjective
uk
/məˈlek.jə.lər/us
/məˈlek.jə.lɚ/
relating to molecules (= the simplest units of a ...
See more atmolecular
clock
noun
uk
/klɒk/us
/klɑːk/
a device for measuring and showing time, usually found in or on a building and not worn by ...
See more atclock

(Definition ofmolecularandclockfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofmolecular clock

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
When dealing with all species together, themolecularclockhypothesis is rejected, but it is accepted when dealing within each subgenus.
From theCambridge English Corpus
In no case was the hypothesis of amolecularclocksupported.
From theCambridge English Corpus
The analysis was run without enforcing themolecularclockoption.
From theCambridge English Corpus
A slowmolecularclockimplies that even cases involved in chains of transmission spanning many years may still appear clustered.
From theCambridge English Corpus
Amolecularclockin endosymbiotic bacteria is calibrated using the insect hosts.
From theCambridge English Corpus
Estimating divergence times in the presence of an overdispersedmolecularclock.
From theCambridge English Corpus
Here we arrive at a point where themolecularclockshould be treated with caution.
From theCambridge English Corpus
Fossils are of little help in timing the origin of methanogens, but the availability of complete genomes of many species of prokaryotes provides abundant data formolecularclockanalyses.
From theCambridge English Corpus
However, hominins discovered more recently are somewhat older than themolecularclockwould theorize.
From
Wikipedia
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Studies have pointed to the slowingmolecularclockas monkeys evolved into apes and apes evolved into humans.
From
Wikipedia
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Based upon themolecularclockstudies conducted, it would seem that dogs separated from the wolf lineage approximately 100,000 years ago.
From
Wikipedia
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The processes that lead to the generation and maintenance of variation such as mutation, crossover and selection are not uniform (see alsomolecularclock).
From
Wikipedia
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It also allows the obtaining ofmolecularclockdates for lineages without a fossil record, which shows that zero-fossil phyla are also ancient.
From
Wikipedia
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A region which mutates at predictable rate is a candidate for use as amolecularclock.
From
Wikipedia
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The mutation rates for many viruses have been measured, and application of amolecularclockallows dates of divergence to be inferred.
From
Wikipedia
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However, this is based on an untenablemolecularclockhypothesis that assumes that wild and domestic silkmoths evolved equally fast after their lineages diverged.
From
Wikipedia
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Using themolecularclockmethod, it was possible to determine the age of the major branches of the orchid family.
From
Wikipedia
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The wide range of dates is due to the different records used to calibrate themolecularclock.
From
Wikipedia
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Molecularclockand fossil dating suggest platypuses split from echidnas around 1948 million years ago.
From
Wikipedia
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Branch lengths can be calculated with and without themolecularclockhypothesis.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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Go to the definition ofmolecular
Go to the definition ofclock
See other collocations withclock