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Cam (23)
Lecture

Molecular Phylogenetics.docx

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Department
Biology
Course
BIOL 3150
Professor
Cam
Semester
Fall

Description
Molecular Phylogenetics (Chapter 19) • tree of life originates from Linnaeus classical classificatory scheme of living organisms in 1700s to depict not only similarities between species but also their phylogeny or evolutionary relationship • Classical phylogeny relies on variable characters such as morphological features to classify organisms • Two approaches to using large data sets in phylogenetics o Phenetics: classifications should encompass as many as possible variable characters that will be numerically scored with equal weight o Cladistics: but give more numerical weight to characters w/ significant evolutionary relationships • Cladistics distitinguishes two types of characters th
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