Traces Of Extraterrestrial DNA Found In Obama's Blood Sample

Are we all extraterrestrials? Scientists discover traces of DNA in space

Fully-formed building blocks of DNA have been found in meteorites, suggesting an extraterrestrial origin for some of the chemicals deemed necessary for organic life

JewishWorldReview.com | (TCSM) A team of scientists led by NASA’s Michael Callahan appears to have added some critical components to the list of space-borne building blocks raining onto Earth’s surface: a class of chemicals called nucleobases. Nucleobases combine to carry the genetic information found in DNA molecules, the molecules that orchestrate an organism’s form and functions

Scientists have found a large variety of nucleobases, essential building blocks of DNA, in meteorites. The team found adenine and guanine, two of the four components of DNA, as well as hypoxanthine and xanthine. DNA resembles a spiral ladder; adenine and guanine connect with two other nucleobases to form the rungs of the ladder. Hypoxanthine and xanthine are not found in DNA, but are used in other biological processes

They concluded that some of the key components of DNA may have been delivered to Earth ready-made by chemical reactions that took place on asteroids or comets as the solar system evolved.

And if it can happen in our solar system, Callahan suggests, under the right conditions these building blocks can find their way to hospitable planets elsewhere.

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