DNA

Featured DNA Resources

• 65

  

  Short Film

  The Double Helix

  (16 min 53 sec) The Double Helix is the story of the scientists and evidence involved in one of the most important scientific quests of the 20th century: the discovery of the structure of DNA.
• 187

  

  Animation

  DNA replication

  (01 min 07 sec) Using information from molecular research, this 3-D animation shows how DNA is replicated at the molecular level. It involves an enzyme that unwinds the DNA, and other enzymes that copy the two resulting strands.
• 68

  

  Animation

  Chemical Structure of DNA

  (02 min 44 sec) DNA's chemical properties can be harnessed for a variety of biotechnology applications.
• 91

  

  Teacher Guide

  Teacher Guide: DNA

  Topics include: DNA structure and function, DNA replication, damage to DNA and eukaryotic chromosomal structure.
• 834

  

  Virtual Lab

  Bacterial Identification Virtual Lab

  This virtual lab will familiarize you with the science and techniques used to identify different types of bacteria based on their DNA sequences.
• 83

  

  Activity

  Using DNA to Explore Lizard Phylogeny

  This activity supports the film The Origin of Species: Lizards in an Evolutionary Tree. Students are guided to sort the lizard species by appearance, then generate a phylogenetic tree using the lizards’ DNA sequences to evaluate whether species that appear similar are closely related to each other.
• 33

  

  Animation

  Polymerase chain reaction (PCR)

  (54 sec) PCR is a standard laboratory technique that allows amplification of specific segments of DNA based on complementarity.
• 24

  

  Click & Learn

  DNA Sequence Assembly

  Learn the principles of how DNA is sequenced and assembled into whole genomes using the Sanger method, shotgun sequencing, or ultra-deep sequencing.