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The virus DNA has a part of a gene which produces spider venom. It does not have DNA from other animals, it has parts of genes from animals in its DNA.
In addition to its own genes, the virus holds a gene for black widow spider venom and DNA from other animals, the researchers found.
DNA is made up of genes. There is no such thing as a gene which includes DNA.
This combination gene includes DNA that was found previously in prior work to help create black widow spider venom.
originally posted by: watchitburn
No, this was all Big Mama Nature. It explains how this occurs very simply in the OP if you had bothered to read it.
originally posted by: Chadwickus
a reply to: odzeandennz
No, just another attempt to turn everything into a evil American depopulation plot....
Yes it is entirely possible for that to happen. You need to study molecular biology, specifically of viruses to understand how but there is nothing especially surprising about this.
originally posted by: elementalgrove
Yes yes, the virus simply stole it from the spider!
Future research could find that such swapping across domains of life, from the most complex to the most ancient, is more common than previously thought, scientists say.