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Science Clinic => Biology => Topic started by: CORALGRILL2014 on Mar 26, 2020

Title: Would one expect a linear relationship between DNA sequence divergence and phylogenetic distance? ...
Post by: CORALGRILL2014 on Mar 26, 2020

Question 1

What are phylogenetic trees?

Question 2

Would one expect a linear relationship between DNA sequence divergence and phylogenetic distance? Why or why not?

Title: Would one expect a linear relationship between DNA sequence divergence and phylogenetic distance? ...
Post by: macybarnes on Mar 26, 2020

Answer 1

diagrammatic representations of evolutionary relationships among organisms

Answer 2

Not necessarily, because some sections of DNA evolve more slowly if they code for products that serve important cellular functions, whereas other sections without such constraints evolve more quickly.