FEB 08, 2018 3:17 PM PST

The Basics of Genomic Sequencing

WRITTEN BY: Carmen Leitch

Mayo Clinic has made a short and informative video about genomic sequencing. It starts with the basics, noting that all the cells in our body carry DNA in their nuclei, and that DNA has to be extracted, usually from a blood sample, in order to reach the genomic material inside. It has a helical structure that looks like a ladder when it's stretched out, and is made up of nucleotide bases.

Those nucleotides, adenine, thymine, guanine, and cytosine, comprise the sequence of DNA, and they pair in a special way. The DNA can be read after each base is tagged, and ultimately, you end up with the genomic sequence. While that can tell us a lot about some conditions, there are still many mysteries in our genome.
About the Author
  • Experienced research scientist and technical expert with authorships on over 30 peer-reviewed publications, traveler to over 70 countries, published photographer and internationally-exhibited painter, volunteer trained in disaster-response, CPR and DV counseling.
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