DNA & Genetic Testing

  • Looking for the Purpose of Junk DNA

    Junk DNA, that vast genetic wasteland of seemingly useless biological rubbish may not be such a waste of space after all. New research suggests that it has some function, and the purpose of junk DNA may have helped distinguish humans from other species...
    By Paul Arnold July 22, 2010 

  • What is BRCA Testing?

    Do you have a strong family or personal history of breast or ovarian cancer? If so, BRCA gene testing may be a choice. Read on to learn about this testing.
    By R. Elizabeth C. Kitchen June 28, 2010 

  • Why Are Nematodes Used in the Laboratory?

    The fruit fly drosophila melanogaster may well be a scientist's best friend, but the nematode worm Caenorhabditis elegans runs a close second. This simple model organism can be treated like a microbe and yet it shares many genes with humans. Find...
    By Paul Arnold June 25, 2010 


  • Russian Royals and DNA

    The last Russian Tsar and his family met violent deaths at the hands of the Bolsheviks in 1918. For years the whereabouts of their remains were a mystery until nine skeletons were unearthed and DNA tests confirmed that they were the murdered Romanovs...
    By Paul Arnold June 24, 2010 

  • DNA Results from the Shroud of Turin

    The Turin Shroud is probably the most controversial religious relic in the world. It's believed by some to be the burial cloth of Christ. Could DNA evidence solve the mystery of the shroud once and for all or just add to the puzzle?
    By Paul Arnold June 23, 2010 

  • DNA Testing for Dogs

    You are the proud owner of a new dog, but want to know more about it. DNA testing for dogs can provide important information about the new animals in your life. All you need is a DNA testing kit.
    By Paul Arnold June 22, 2010 


  • Epigenetics: It's not all about DNA

    The idea that DNA is the only carrier of heritable information might be starting to look a little old hat. According to epigenetic theory, traits that have been acquired by non-genetic means during an organism's lifetime can be passed down to the...
    By Paul Arnold June 17, 2010 

  • DNA Origami and Nanoscale Folding

    Introduced to the public in 2006, DNA origami is one of the newest concepts involving the utilization of various strands to create shapes and designs. The ultimate goal is to benefit computer manufacturing and biotechnology.
    By Jason C. Chavis June 17, 2010 

  • Ancient DNA: How Old is Old?

    The oldest known DNA molecules date back some 450,000 - 800,000 years ago. They were found in Greenland and were in reasonable shape. Details were published in 2007 as DNA analysis revealed much about the history of this part of the world.
    By Paul Arnold June 16, 2010 

  • Should You Engage in Prenatal Testing?

    Have you ever thought about prenatal genetic testing? Learn more about this option so you can make the right decision for your family.
    By R. Elizabeth C. Kitchen May 31, 2010 
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