Where is the outgroup on a phylogenetic tree?
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Where is the outgroup on a phylogenetic tree?
The outgroup is used as a point of comparison for the ingroup and specifically allows for the phylogeny to be rooted. Because the polarity (direction) of character change can be determined only on a…
2022年6月19日
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The diagram illustrates a simplified evolutionary tree (phylogenetic tree) showing the relationship between different groups of reptiles and birds, highlighting when eggs and chickens first appeared. Here’s a breakdown: 1. Eggs Already Existed: The arrow pointing to “Eggs already existed here” refers to the fact that egg-laying as a reproductive strategy originated long before chickens appeared. The amniotic egg, which has a protective shell, evolved in the common ancestor of reptiles and birds,
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The diagram illustrates a simplified evolutionary tree (phylogenetic tree) showing
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Cladogram vs. Phylogenetic Tree: 5 Key Differences, Description
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difference101.com
2022年10月17日
SOLVED: In the last lab, while creating a phylogenetic tree using PAUP/CIPRES, Fagus grandifolia was specified as the outgroup. Why is this step important?If the outgroup is not specified, PAUP or CIPRES will produce an unrooted tree in which the outgroup is not connected to the rest of the tree by a common ancestor.All options are incorrect.If the outgroup is not specified, PAUP or CIPRES will produce an unrooted tree. Unrooted trees do not follow the Law of Parsimony.If the outgroup is not spe
SOLVED: In the last lab, while creating a phylogenetic tree using PAUP/CIPRES, Fagus grandifolia was specified as the outgroup. Why is this step important?If the outgroup is not specified, PAUP or CIPRES will produce an unrooted tree in which the outgroup is not connected to the rest of the tree by a common ancestor.All options are incorrect.If the outgroup is not specified, PAUP or CIPRES will produce an unrooted tree. Unrooted trees do not follow the Law of Parsimony.If the outgroup is not spe
numerade.com
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SOLVED:If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup? (A) wolf (C) lion (B) domestic cat (D) leopard
SOLVED:If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup? (A) wolf (C) lion (B) domestic cat (D) leopard
numerade.com
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