Phylogenetics

Question 1

What is Phylogeny?

Answer 1

the grouping of organisms based on their evolutionary relationships using common ancestry

Question 2

What is Phylogenetics?

Answer 2

the study of the evolutionary history of groups of organisms, to determine how closely related they are to one another

Question 3

What is a Phylogenetic tree?

Answer 3

a diagram showing the phylogeny of groups of organisms

Question 4

What are the advantages of Phylogenetic classification over Hierarhcial?

Answer 4

PC connects groups based on their evolutionary relationships rather than their characteristics
Phylogeny allows a continuum rather discrete groups
Phylogeny gives a better description of the variety present within groups, rather than giving the impression all groups are equal in age
Shows changes over time

Question 5

What are the methods for classifying organisms based on evolutionary relationships?

Answer 5

Compare the base sequence of DNA or mRNA
Compare the amino acid sequence pf proteins
Immunological function