Posted: September 29th, 2022
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Question 1: Name two specific proteins involved in basic cell function of all plants (or all eukaryotes) that you would expect to be present in all plants and have highly conserved sequence.
Question 2: When selecting genes to build a molecular phylogeny, one must consider how long ago the species involved diverged from one another. Imagine you are trying to determine relationships between a number of Drosophila species that you know to all have diverged (relatively) very recently, within the last 5-15 million years. In order to figure out which species is most closely related to which and the order of divergence events, do you want to use a gene that evolves very quickly and will have a lot of changes in the region of DNA you are comparing, or do you want to work with a gene that evolves very slowly and will have few to no differences in the DNA between lineages? Explain your answer.
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