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Species 2 a) Illustrate the required changes on each of the trees below. Changes in the first three nucleotide positions have been illustrated for you in tree A. For example, for character 1, a T changed to a C on the branch leading to Species X (1:T->C). A B W A W X 3: T->C 1: T-> C 2:A-> G X Z W Z A 3: T-> C Z b) Based on these data, which of the tree(s) is/are the most parsimonious? c) How many changes were required on the most parsimonious tree(s)? A C X

Species 2 a) Illustrate the required changes on each of the trees below. Changes in the first three nucleotide positions have been illustrated for you in tree A. For example, for character 1, a T changed to a C on the branch leading to Species X (1:T->C). A B W A W X 3: T->C 1: T-> C 2:A-> G X Z W Z A 3: T-> C Z b) Based on these data, which of the tree(s) is/are the most parsimonious? c) How many changes were required on the most parsimonious tree(s)? A C X

Human Anatomy & Physiology (11th Edition)
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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Below is a character matrix of 10 nucleotide positions from a gene sampled from four species. Below are the three possible unrooted trees for four taxa. Species W Species X Species Y Species Z B 1 T C T T W 2 G G A A X 3 C T C T A 4 G G G 3: T -> C 1: T -> C a) Illustrate the required changes on each of the trees below. Changes in the first three nucleotide positions have been illustrated for you in tree A. For example, for character 1, a T changed to a C on the branch leading to Species X (1:T->C). A W 2:A -> G X 5 G G G G Z W 6 T T A T Z 7 T A A T 8 C A C A 3: T-> C Z 9 10 C T G T G T C A b) Based on these data, which of the tree(s) is/are the most parsimonious? c) How many changes were required on the most parsimonious tree(s)? с X A 1
Transcribed Image Text:Below is a character matrix of 10 nucleotide positions from a gene sampled from four species. Below are the three possible unrooted trees for four taxa. Species W Species X Species Y Species Z B 1 T C T T W 2 G G A A X 3 C T C T A 4 G G G 3: T -> C 1: T -> C a) Illustrate the required changes on each of the trees below. Changes in the first three nucleotide positions have been illustrated for you in tree A. For example, for character 1, a T changed to a C on the branch leading to Species X (1:T->C). A W 2:A -> G X 5 G G G G Z W 6 T T A T Z 7 T A A T 8 C A C A 3: T-> C Z 9 10 C T G T G T C A b) Based on these data, which of the tree(s) is/are the most parsimonious? c) How many changes were required on the most parsimonious tree(s)? с X A 1
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