Molecular Clocks and Phylogenetic Trees
Biology · JC 1 · Evolutionary Biology and Phylogenetics · 3.º Período

Molecular Clocks and Phylogenetic Trees

Construct and interpret phylogenetic trees using molecular data. Understand the assumptions and calibrations involved in molecular clock hypotheses.

MOE Syllabus OutcomesSEAB A-Level H2 Biology (9744) Core Idea 4: Biological Evolution - Molecular evidence for evolution and molecular clocksSEAB A-Level H2 Biology (9744) Core Idea 4: Biological Evolution - Construction and interpretation of phylogenetic trees

About This Topic

Construct and interpret phylogenetic trees using molecular data. Understand the assumptions and calibrations involved in molecular clock hypotheses.

Key Questions

  1. How are DNA sequences used to infer evolutionary relationships?
  2. What are the limitations of the molecular clock?
  3. How do maximum likelihood methods improve phylogenetic accuracy?

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Edited by Adriana Perusin, Editor-in-Chief, Flip Education