East Brook Students Extract Strands of Their Own DNA

Most of us dissected frogs. Today's middle school students are extracting strands of their own DNA.

Students at East Brook Middle School successfully extracted strands of their own DNA from cheek cells in a classroom experiment.

According to the National Institute of Justice (NIJ), DNA collection and analysis gives the criminal justice field a powerful tool for convicting the guilty and exonerating the innocent. Only one-tenth of a single percent of DNA (about 3 million bases) differs from one person to the next.

Mrs. Mary Hall, an eighth grade teacher at East Brook, instructed her students through an experiment usually seen in high school or college labs.

After carefully following procedures and having a steady hand and a lot of patience, students were able to take home visible chromosomes in vials, which they proudly displayed. 


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