Mutations and the Structure of DNA

DNA is more complex than we have discussed

Nucleosome

Exons vs introns

"Junk DNA"

Mutations = heritable change in DNA

Point mutations

Base substitutions

Insertions/deletions

Two examples of cause and effect

Sickle-cell anemia

Huntington's disease

Chromosomal mutations

Applications of biotechnology

Prokaryotic protein factory

Modifying agricultural products

Medical applications