The battle to survive is fought down to the level of our genes. Toxin-antidote elements are gene pairs that spread in populations by killing non-carriers. Now, research by the Burga lab at IMBA and the Kruglyak lab at the University of California, Los Angeles shows that these elements are more common in nature than first thought and have evolved a wide range of mechanisms to force their inheritance and propagate in populations—a parasite within the genome. The results are published in the journal Current Biology.
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Source: Phys.org