Survey of the Diversity of Life

 

Polymorphisms

Stochastic mutations that do not cause disease phenotype are neutral. Polymorphisms help map when species separated.

Course Material Related to This Topic:

Upward arrow. Back to Top

Mitochondrial DNA and Y Chromosome

Mitochondrial DNA is solely passed along the maternal lineage and the Y chromosome is solely passed along the paternal lineage. Used for the study of genetic diversity due to lack of recombination.

Course Material Related to This Topic:

  • Watch video clip from Lecture 32 (16:40 - 20:33)

Upward arrow. Back to Top

Genomics

Definition of "genomics." How to sequence and analyze genomes of prokaryotes and eukaryotes.

Course Material Related to This Topic:

Upward arrow. Back to Top

Insights Gained from Genomics

Bacteria and Archaea–compact genomes, large genetic diversity, lateral gene transfer; Eukarya–larger genomes, exons, "repeated sequences.".

Course Material Related to This Topic:

  • Watch video clip from Lecture 32 (31:28 - 44:20)

Upward arrow. Back to Top

Environmental Genomes

Sequencing of Bac clones with rRNA genes, ecological function. Example: Proteorhodopsin.

Course Material Related to This Topic:

Upward arrow. Back to Top