Open Question
What is meant by the term homology? How is that different from the meaning of homoplasmy?
22. Evolutionary Genetics
Phylogenetic Trees
Struggling with Genetics?
Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which principle is NOT used to construct a phylogenetic tree?
A
Principle of parsimony
B
Cladistics approach
C
Principle of speciation
D
Homology
Verified step by step guidance1
Understand the purpose of a phylogenetic tree: It is a diagram that represents evolutionary relationships among organisms. The tree is constructed based on shared characteristics and genetic information.
Learn about the principle of parsimony: This principle suggests that the simplest explanation or path with the least number of changes is preferred when constructing a phylogenetic tree.
Explore the cladistics approach: Cladistics is a method of classifying species based on common ancestry and branching patterns, focusing on shared derived characteristics (synapomorphies).
Define homology: Homology refers to traits inherited by two different organisms from a common ancestor. It is a key concept in constructing phylogenetic trees as it helps identify evolutionary relationships.
Identify the principle not used: The principle of speciation is not typically used as a direct method for constructing phylogenetic trees. Speciation is a process that results in the formation of new species, but it is not a principle or method for tree construction.
Related Videos
Related Practice
Phylogenetic Trees practice set
Problem sets built by lead tutorsExpert video explanations