The attached image has the following Newick format: ((HIV-1 retropepsin:0.67441,(HIV-2 retropepsin:0.40370, Simian immunodeficiency:0.40370):0.27071):0.963537,(Bovine immunodeficiency:1.34405,Feline immunodeficiency:1.34405):0.295328); Examine the branch lengths. What do they tell you about the evolutionary time between the branch points? • Which branchings are more ancient and which are more recent? • What would you conclude about these immunodeficiency virus proteases, based on this small analysis?
The attached image has the following Newick format: ((HIV-1 retropepsin:0.67441,(HIV-2 retropepsin:0.40370, Simian immunodeficiency:0.40370):0.27071):0.963537,(Bovine immunodeficiency:1.34405,Feline immunodeficiency:1.34405):0.295328); Examine the branch lengths. What do they tell you about the evolutionary time between the branch points? • Which branchings are more ancient and which are more recent? • What would you conclude about these immunodeficiency virus proteases, based on this small analysis?
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter21: Viruses
Section: Chapter Questions
Problem 27CTQ: In this section, you were introduced to different types of viruses and viral diseases. Briefly...
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The attached image has the following Newick format:
((HIV-1 retropepsin:0.67441,(HIV-2 retropepsin:0.40370, Simian immunodeficiency:0.40370):0.27071):0.963537,(Bovine immunodeficiency:1.34405,Feline immunodeficiency:1.34405):0.295328);
Examine the branch lengths. What do they tell you about the evolutionary time between the branch points?
• Which branchings are more ancient and which are more recent?
• What would you conclude about these immunodeficiency virus proteases, based on this small analysis?
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