What is the best argument for maximum parsimony method in phylogenetic tree construction? ...
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What is the best argument for maximum parsimony method in phylogenetic tree construction?
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$begingroup$
Beside the fact that maximum parsimony is computationally cheap, what other good arguments are there for it? Is there any model behind this principle? Why would one expect this principle to provide right phylogeny in any situation at all ?
evolution phylogenetics
edited 11 hours ago
AliceD♦
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
$endgroup$
add a comment |
$begingroup$
Beside the fact that maximum parsimony is computationally cheap, what other good arguments are there for it? Is there any model behind this principle? Why would one expect this principle to provide right phylogeny in any situation at all ?
evolution phylogenetics
edited 11 hours ago
AliceD♦
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
$endgroup$
$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago
add a comment |
$begingroup$
Beside the fact that maximum parsimony is computationally cheap, what other good arguments are there for it? Is there any model behind this principle? Why would one expect this principle to provide right phylogeny in any situation at all ?
evolution phylogenetics
edited 11 hours ago
AliceD♦
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
$endgroup$
Beside the fact that maximum parsimony is computationally cheap, what other good arguments are there for it? Is there any model behind this principle? Why would one expect this principle to provide right phylogeny in any situation at all ?
evolution phylogenetics
evolution phylogenetics
edited 11 hours ago
AliceD♦
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
edited 11 hours ago
AliceD♦
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
edited 11 hours ago
AliceD♦
44.8k13143206
edited 11 hours ago
AliceD♦
44.8k13143206
edited 11 hours ago
AliceD♦
44.8k13143206
44.8k13143206
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
asked 12 hours ago
Ahmed AbdullahAhmed Abdullah
8381922
8381922
$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago
add a comment |
$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago
$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago
$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago
add a comment |
1 Answer
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$begingroup$
The idea of parsimony is that when constructing phylogenetic trees is that a simple hypothesis (e.g., four evolutionary changes are necessary to connect two taxa) is more likely to be true than a more complex hypothesis (e.g., 15 evolutionary changes) (source: Berkeley University).
The reason is that for a certain taxon to evolve, there must be a certain number of evolutionary changes. In the end, this happens by more or less stochastic processes (Dingli & Pacheco, 2011) that randomly generate genetic changes (mutations). The characteristics of better fit individuals survive, while those of the least fit are terminated from the gene pool. Hence, every additional change that must be adopted to create a new taxon from another means that the chance that that happens decreases exponentially; it's all a matter of statistics. The less the number of changes needed, the higher the chance that that might have actually happened.
Reference
- Dingli & Pacheco, BMC Biology (2011);9:41
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
$endgroup$
add a comment |
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The idea of parsimony is that when constructing phylogenetic trees is that a simple hypothesis (e.g., four evolutionary changes are necessary to connect two taxa) is more likely to be true than a more complex hypothesis (e.g., 15 evolutionary changes) (source: Berkeley University).
The reason is that for a certain taxon to evolve, there must be a certain number of evolutionary changes. In the end, this happens by more or less stochastic processes (Dingli & Pacheco, 2011) that randomly generate genetic changes (mutations). The characteristics of better fit individuals survive, while those of the least fit are terminated from the gene pool. Hence, every additional change that must be adopted to create a new taxon from another means that the chance that that happens decreases exponentially; it's all a matter of statistics. The less the number of changes needed, the higher the chance that that might have actually happened.
Reference
- Dingli & Pacheco, BMC Biology (2011);9:41
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
$endgroup$
add a comment |
$begingroup$
The idea of parsimony is that when constructing phylogenetic trees is that a simple hypothesis (e.g., four evolutionary changes are necessary to connect two taxa) is more likely to be true than a more complex hypothesis (e.g., 15 evolutionary changes) (source: Berkeley University).
The reason is that for a certain taxon to evolve, there must be a certain number of evolutionary changes. In the end, this happens by more or less stochastic processes (Dingli & Pacheco, 2011) that randomly generate genetic changes (mutations). The characteristics of better fit individuals survive, while those of the least fit are terminated from the gene pool. Hence, every additional change that must be adopted to create a new taxon from another means that the chance that that happens decreases exponentially; it's all a matter of statistics. The less the number of changes needed, the higher the chance that that might have actually happened.
Reference
- Dingli & Pacheco, BMC Biology (2011);9:41
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
$endgroup$
add a comment |
$begingroup$
The idea of parsimony is that when constructing phylogenetic trees is that a simple hypothesis (e.g., four evolutionary changes are necessary to connect two taxa) is more likely to be true than a more complex hypothesis (e.g., 15 evolutionary changes) (source: Berkeley University).
The reason is that for a certain taxon to evolve, there must be a certain number of evolutionary changes. In the end, this happens by more or less stochastic processes (Dingli & Pacheco, 2011) that randomly generate genetic changes (mutations). The characteristics of better fit individuals survive, while those of the least fit are terminated from the gene pool. Hence, every additional change that must be adopted to create a new taxon from another means that the chance that that happens decreases exponentially; it's all a matter of statistics. The less the number of changes needed, the higher the chance that that might have actually happened.
Reference
- Dingli & Pacheco, BMC Biology (2011);9:41
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
$endgroup$
The idea of parsimony is that when constructing phylogenetic trees is that a simple hypothesis (e.g., four evolutionary changes are necessary to connect two taxa) is more likely to be true than a more complex hypothesis (e.g., 15 evolutionary changes) (source: Berkeley University).
The reason is that for a certain taxon to evolve, there must be a certain number of evolutionary changes. In the end, this happens by more or less stochastic processes (Dingli & Pacheco, 2011) that randomly generate genetic changes (mutations). The characteristics of better fit individuals survive, while those of the least fit are terminated from the gene pool. Hence, every additional change that must be adopted to create a new taxon from another means that the chance that that happens decreases exponentially; it's all a matter of statistics. The less the number of changes needed, the higher the chance that that might have actually happened.
Reference
- Dingli & Pacheco, BMC Biology (2011);9:41
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
edited 3 hours ago
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
answered 11 hours ago
AliceD♦AliceD
44.8k13143206
44.8k13143206
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$begingroup$
I've programmed a phylogeny tree data parsing program which uses standard tree of life OTT files. I had never heard of maximum parsimony and the topic on Wiki exceedingly complex. They just say it's popular because it's simple. computationally speaking the data in pylogeny tree file can't actually be wrong if the tree does not contain errors unless you skip some nodes, a tree can easily be checked by counting the branches up and down from a species and into their shared nodes, and a check can't present an error. that said I don't know if the OTT even has taxon and information of that kind.
$endgroup$
– com.prehensible
5 hours ago