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Flashcards in 3.2 Evolutionary Genetics Deck (6)
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Define Anagenesis

evolution taking place in a single group with the passage of time


Define Cladogenesis

splitting of one lineage into two: new species arise


What is the concept of a phylogentic tree

A graphical representation of the evolutionary relationships among a group of organisms


What is allopatric speciation?

When a geographic barrier splits a population into two or more groups and prevents gene flow between the isolated groups


Describe the molecular clock

Rate at which protein evolves is roughly constant over time. Change that protein has undergone can be used as a clock


What are the rates of evolution

exon shuffling and gene duplication