Chapter 4 Flashcards
Estimating Evolutionary Trees
1
Q
What is a plesiomorphic character?
A
Primitive characters
2
Q
Orthologues
A
Inherited by two species from common ancestor
3
Q
Paralogues
A
Copies of genes in a genome from duplication
4
Q
What is phylogeny?
A
It is the reconstruction of the branching pattern of species during evolution. It represents sets of species with increasing degrees of relationship.
5
Q
What is a clade?
A
A group of related taxa
6
Q
What is taxonomy?
A
It is the means of naming and grouping organisms.
7
Q
Who was the first taxonomist?
A
Carl Linnaeus
8
Q
What are apomorphies?
A
Derived characters, used in systematics
9
Q
Synapomorphy
A
Shared, derived character
10
Q
Sympleisomorphy
A
Shared primitive charater
