7th Grade Science Student ebook

(Marvins-Underground-K-12) #1

Chapter 10


The Code of Life


Police detectives, crime labs, and private investigators
need to collect evidence to link a suspect to a crime scene.
Fingerprints have been used as evidence for years, since
everyone’s fingerprints are unique. Now forensic scientists,
like the ones depicted on popular television programs, use
DNA sequencing techniques to identify individuals. What
exactly is DNA, and why is yours unique? Study this chapter
to learn all about DNA, which is sometimes called the
“code of life.”



  1. What is DNA and what does it do?

  2. What is a genetic disorder?

  3. How is DNA used in the latest technologies?

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