As early as 1943 Oswald Avery proved what had been suspected: that DNA, a nucleic acid, carries genetic information. But no one knew how ... like a spiral staircase. This structure, announced ...

In eukaryotes, DNA is housed within the nucleus, but in prokaryotes, DNA is located directly within the cellular cytoplasm, as there is no nucleus ... were arranged in a spiral shape called ...

Testing your DNA is easier than ever with an abundance of at-home DNA tests on the market. All you need to do is provide a simple DNA sample to learn more about your heritage and family history.

With the exception of red blood cells, which contain no nucleus and no nuclear DNA, every one of these cells contains the human genome -- a string of three billion A's, C's, G's, and T's.

Consumer genomics is a growing area of interest for humans. With this interest has come the rise of DNA testing for our animal companions as well, with our beloved canines at the forefront of this ...

Three years ago, Jenny decided to take a DNA test "just ... and I have no head for that." Yet Jenny was curious to see what the test might reveal about her ethnic background, so she sent off ...

Telomeres, the protective caps at the ends of our chromosomes, act much like the plastic tips of shoelaces, preventing our DNA from fraying and sustaining its genetic integrity. However ...

How Do At-Home DNA Kits Work? Most at-home DNA testing kits use saliva and provide a collection kit. Once you send your collection kit back to the company, they will likely either send it to a ...

Too many people handled a household rubber mallet used to kill a Winfield nurse to identify a single DNA profile ... There was no response. Marijuana and abortion amendments failed in Florida ...

Richard Allen is accused of killing two teenage girls on a hiking trail. No DNA was found at the site of the Delphi, Indiana, double murders to tie the suspect, Richard Allen, or anyone else to ...