3.2 Evolutionary Genetics Flashcards Preview

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Flashcards in 3.2 Evolutionary Genetics Deck (6)
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1

Define Anagenesis

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

2

Define Cladogenesis

splitting of one lineage into two: new species arise

3

What is the concept of a phylogentic tree

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

4

What is allopatric speciation?

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

5

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

6

What are the rates of evolution

exon shuffling and gene duplication