Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:4.
The table below with the percent DNA identity for the human version of each gene in the
lettmost column with that of the various species listed in the top row (if a homolog is present for
comparison).
HoxD13
Six5
ISLI
Gene
RhoxF2(exclusive
to homo sapiens)
HoxA13
Pou5FIB
Lhx8
Pan
troglodytes
(chimp)
98.9%
99.5%
99.7%
Not
present
99.3%
98.0%
99.6%
Mus
musculus
(mouse)
86.8%
84.2%
93.0%
Not
present
91.0%
Not
present
87.9%
Gallus
gallus
(chicken)
77.2%
Not present
89.5%
Not present
Danio
rerio
(zebra
fish)
Not
present
Not
present
81.0%
87.1%
Not
present
80.1%/81.3 65.6%
Not present Not
present
71.5%
Drosophila
melanogastor
(fruit fly)
Not present
Not present
62.2%
Not present
Not present
Not present
50.6%
b) What conserved protein domain do all the above genes have?
c) What, specifically, does this conserved domain do inside the cell?
Caenorhabditis
elegans
(nematode
worm)
Not present
Not present
51.0%
Not present
Not present
Not present
Not present
d) With the genes in the table above as the derived characters, draw a detailed evolutionary
tree (include where the derived characters appear on the tree and all the species, humans
too, using C. elegans as the outgroup.
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