Tree 1 Tree 2 Tree 3 outgroup A В C outgroup В C A outgroup A We have gathered some morphological data on three species of mythical mammals and the outgroup; these data are presented in the table below. Species Number of toes Eye color Tail Number of molars Outgroup 4 Brown Present 12 A 5 Blue Absent 10 4 Blue Present 12 Blue Absent 10 Now our task is to discover which of the three trees above is the most parsimonious, representing the most likely pathway of evolution. We determine the best tree by fitting the data in the table to each tree and calculating the number of evolutionary changes that are required. To facilitate our calculations, we will use the table below. The numbers in the table indicate the number of evolutionary changes that are required for each character in each tree.
Tree 1 Tree 2 Tree 3 outgroup A В C outgroup В C A outgroup A We have gathered some morphological data on three species of mythical mammals and the outgroup; these data are presented in the table below. Species Number of toes Eye color Tail Number of molars Outgroup 4 Brown Present 12 A 5 Blue Absent 10 4 Blue Present 12 Blue Absent 10 Now our task is to discover which of the three trees above is the most parsimonious, representing the most likely pathway of evolution. We determine the best tree by fitting the data in the table to each tree and calculating the number of evolutionary changes that are required. To facilitate our calculations, we will use the table below. The numbers in the table indicate the number of evolutionary changes that are required for each character in each tree.
Biology 2e
2nd Edition
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark
Chapter27: Introduction To Animal Diversity
Section: Chapter Questions
Problem 3VCQ: Figure 27.9 Which of the following statements about diploblasts and triploblasts is false? Animals...
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