1 RD9 TBD1 0.99 1 RD7 RD8 RD10 1 1 0.99 1 M. canettii L2 13 L4 L1 L7 b L5 Chimpanzee bacillus M. mungi M. suricattae Dassie bacillus L6 1 M. pinnipedii Ancient Peruvian human remains M. microti

Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
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Chapter27: Protists
Section: Chapter Questions
Problem 5TYK: The group Diplomonadida is characterized by: a. a mouthlike gullet and hairlike surface. Paramecium...
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100%
RD9
TBD1
0.99
RD7
RD8
RD10
0.99
0.99
M. canettii
L4
12
13
L1
L7
L5
b
Chimpanzee
bacillus
M. bovis
M. caprae
L6
¹ M. pinnipedii
Ancient Peruvian human remains
M. microti
M. mungi
M. suricattae
Dassie bacillus
M. orygis
0.005
Gagneux 2018 Nat Rev Microbiol
In this figure you can see a phylogenetic tree of Mycobacterium tuberculosis, the
causative agent of tuberculosis (TB) and a few related mycobacteria. (You may or may
not have seen this figure in a previous question in this exam.) In the tree, the M.
tuberculosis lineages that are currently circulating in humans are indicated in color
and are named L1 to L7. The pie charts on the world map indicate for each of these
lineages where they occur. In the phylogenetic tree, names of Mycobacterium (M.)
strains derived from non-human animals and from an ancient Peruvian mummy are
written in full and are not colored.
Which of the following statements is correct?
The L4 lineage is more closely related to the L3 lineage than to the L2 lineage
Human M. tuberculosis lineages form a monophyletic group of which all
members only infect humans
Mycobacterium strains found in non-human animals form a monophyletic group
of which all members only infect non-human animals
M. tuberculosis is paraphyletic in humans
Transcribed Image Text:RD9 TBD1 0.99 RD7 RD8 RD10 0.99 0.99 M. canettii L4 12 13 L1 L7 L5 b Chimpanzee bacillus M. bovis M. caprae L6 ¹ M. pinnipedii Ancient Peruvian human remains M. microti M. mungi M. suricattae Dassie bacillus M. orygis 0.005 Gagneux 2018 Nat Rev Microbiol In this figure you can see a phylogenetic tree of Mycobacterium tuberculosis, the causative agent of tuberculosis (TB) and a few related mycobacteria. (You may or may not have seen this figure in a previous question in this exam.) In the tree, the M. tuberculosis lineages that are currently circulating in humans are indicated in color and are named L1 to L7. The pie charts on the world map indicate for each of these lineages where they occur. In the phylogenetic tree, names of Mycobacterium (M.) strains derived from non-human animals and from an ancient Peruvian mummy are written in full and are not colored. Which of the following statements is correct? The L4 lineage is more closely related to the L3 lineage than to the L2 lineage Human M. tuberculosis lineages form a monophyletic group of which all members only infect humans Mycobacterium strains found in non-human animals form a monophyletic group of which all members only infect non-human animals M. tuberculosis is paraphyletic in humans
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