What is a phylogenetic tree and how and why does the phylogeny-based identification of microorganisms work (in other words which are the principles of evolution that phylogeny based identification is based on?) Draw a hypothetical phylogenetic tree of seven organisms four of which showing no evolutionary divergence to each other and the other three being more divergent compared to the previous four organisms. Should the former four organisms be assigned to the same species or not based on your tree?
What is a phylogenetic tree and how and why does the phylogeny-based identification of microorganisms work (in other words which are the principles of evolution that phylogeny based identification is based on?) Draw a hypothetical phylogenetic tree of seven organisms four of which showing no evolutionary divergence to each other and the other three being more divergent compared to the previous four organisms. Should the former four organisms be assigned to the same species or not based on your tree?
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What problems does horizontal gene transfer cause for evolutionary biologists?
It can make reconstruction of phylogenetic trees difficult because it can obscure phylogenetic relationships. |
It can cause physiological problems in some organisms, making it hard to study them. |
It can make breeding between different individuals of the same species difficult. |
Because it is transfer of genes between the same species, it can make individuals look more similar than they actually are. |
All of the above Which statement best describes the maximum parsimony approach to the reconstruction of phylogenetic trees?
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