Phylogenetic Comparison of Oxygen-binding Proteins
Teacher's version
Activity A: Demonstration of Cladistical Analysis
Fraternin protein sequences
Taxa
Snake
Turtle
Chicken
Lizard
Alligator
Mouse
ACDEFGHIKLMNPQRSTPWYACDEFGHIKLMNPQSTVWYACDEFGHI
ACDENGHILLMTPQRKTQWCACEHFGHIKLMNNQSTVWGACDEFLHA
ACDENGHIALMPPQRSTPWTACFEFGHIKLMNEQSTVWGACDEFEHL
ACDEFGHIKLMNPQRSTVWYACGEFGHIKLMNPQSTVWYACDEFGHP
ACDENGHIALMPPQRSTVWCACHEFGHIKLMNEQSTVWGACDEFEHT
ACCENGHILLMPPQRKTPWCACIHFLTIKGMNSQSMAWHANDCHLHM
Chart of Differences (sometimes scientists will construct a chart of similarities instead)
Taxa
Turtle
Lizard
Alligator
Snake 0
10
1
8
Turtle
0
10
7
Chicken
8
2
Lizard
0
7
Alligator
0
Mouse
Snake
Chicken
7
8
0
Data Analysis: When observing the
16
is
Mouse
18
13
16
19
16
0
outgroup
chart of differences