Instructional Video2:40
Ancient Lights Media

Utilizing Restriction Enzymes

6th - 8th
Restriction Enzyme Set: 3. This clip shows how restriction enzymes are used to produce recombinant DNA.
Instructional Video
Khan Academy

Khan Academy: Alleles and Genes

9th - 10th
Learn about the gene as a stretch of DNA on a chromosome. Also find out about alleles as versions or sequence variants of a gene. [8:17]