Answered: 5. (top or bottom) Species A, B, C, D,…

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter24: Systematics And Phylogenetics: Revealing The Tree Of Life

Section: Chapter Questions

Problem 12TYK

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(top or bottom) Species A, B, C, D, and, E are all extant species (living today; not to be confused
with “extinct” species). Consider the common ancestor shared between humans and species A
(ancestor A-H), the common ancestor between species B and humans (ancestor B-H), etc. Which of the
two trees below best represents the phylogenetic relationship between species shown in the nucleotide
divergence plot above (top tree or bottom tree)?

6. (top or bottom) Species A, B, C, D, and, E are all extant species (living today; not to be confused
with "extinct" species). Consider the common ancestor shared between humans and species A
(ancestor A-H), the common ancestor between species B and humans (ancestor B-H), etc. Which of the
two trees below best represents the phylogenetic relationship between species shown in the nucleotide
divergence plot above (top tree or bottom tree)?
A
В
C D E
humans
E-H
C-H / D-H
В-Н
А-Н
E
D
с в А
humans
А-Н
С-Н /В-Н
D-H
Е-Н

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