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PHYLOGENETIC ANALYSIS: How to calculate Evolutionary Distance

BASICS OF PHYLOGENETICS: Learn how 

to Calculate Evolutionary Distances



Phylogenetic Tree Analysis



Calculations for constructing a Phylogenetic tree?

The calculations for construction of phylogenetic trees can be handled in two ways:
  1. By Distance Matrix data
  2. By Discrete character data

Distance Based Matrix
The distance Matrix data based on evolutionary distances.For constructing a phylogenetic tree,in a distance based method each nucleotide changes equally.

Evolutionary Distance

Evolutionary distance refers to the number of nucleotide substitutions per site between two homologous DNA sequences or the number of amino acid substitutions per site between two homologous protein sequences.

For more details watch the following video


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