DNA is extracted from human cells for a variety of reasons. With a pure sample of DNA you can test a
newborn for a genetic disease, analyze forensic evidence, or study a gene involved in cancer. Try this
virtual laboratory to perform a cheek swab and extract DNA from human cells.
Supported by a Science Education Partnership Award (SEPA) Grant No. R25RR016291 from the National Center for Research Resources, a component of the NIH. The contents provided here are solely the responsibility of the authors and do not necessarily represent the official views of NIH.