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Molecular clock


The molecular clock is a technique that uses the mutation rate of biomolecules to deduce the time in prehistory when two or more life forms diverged.

The Molecular Clock and Estimating Species Divergence | Learn ...


Since its proposal in the 1960s, the molecular clock has become an essential tool in many areas of evolutionary biology, including systematics, molecular ...

Evolution 101: Molecular Clocks


Molecular Clocks. For the past 40 years, evolutionary biologists have been investigating the possibility that some evolutionary changes occur in a clock-like  ...

Probing question: What is a molecular clock? - Phys.org


Nov 20, 2008 ... It doesn't tick, it doesn't have hands, and it doesn't tell you what time of day it is. But a molecular clock does tell time -- on an epoch scale.

What Is the Molecular Clock, Exactly? - Gizmodo


Sep 15, 2015 ... Scientists across a range of biological disciplines use a technique called the molecular clock, where the past is deciphered by reading the ...

Molecular Clock: Testing - Encyclopedia of Life Sciences


The molecular clock hypothesis originally restedon the assumption of rate constancy across lineages of a phylogeny, which would produce an approximately ...

Molecular Clock Medical Definition | Merriam-Webster Medical ...

www.merriam-webster.com/medical/molecular clock

a measure of evolutionary change over time at the molecular level that is based on the theory that specific DNA sequences or the proteins they encode ...

Molecular-clock | Define Molecular-clock at Dictionary.com


the changes in the amino acid sequences of proteins that take place during evolution and speciation, and from which the dates of branchings of taxonomic ...

The Molecular Clock Problem


Such proteins can be used as ``molecular clocks,'' since one can use them to estimate when species diverged. However, these clocks sometimes behave in an  ...

Molecular Clocks


Molecular Clocks. Rose Hoberman. The Holy Grail. Fossil evidence is sparse and imprecise (or nonexistent). Predict divergence times by comparing molecular  ...

Popular Q&A
Q: What is a molecular clock.
A: What is a molecular Read More »
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Q: What is the definition of molecular clock?
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Q: What is the deffiniton of the molecular clock?
A: A molecular clock is a tool used by evolutionary biologists to determine how long ago two different species diverged. What you do, basically, is look at the gen... Read More »
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Q: Why are proteins known as molecular clocks.
A: The molecular clock is used to estimate the time of occurrence of events called speciation and radiation. The molecular data used for such calculations is usual... Read More »
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Q: How does a molecular clock work.
A: A Molecular clock works using the genes of living species. Read More »
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