Robert Lee Hotz And John Johnson write in the Los Angeles Times that it may be possible for evil to be passed down genetically to family members. They examine families in which several generations have committed the same types of terrible crimes.

Scientists now know that genes influence our behavior. But can our behavior change our genes and can we then pass on our defective genes to our children? New research is revealing that life experiences can alter the biochemistry of many genes. “The new way of looking at this is that different experiences turn different genes on and off,” says psychologist Seth Pollak. “Experience matters.”
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Radio hosts Paul Harvey and Art Bell reported on a story from Scotland Yard about a bouncer who was stabbed to death in the alley outside The Paradise Bar in London. Pools of blood were left behind after the victim was taken away.

“They swabbed the blood up off the floor, they extracted DNA from it,” says Marcia Eggleston, a researcher at the University of California, Davis. “When they typed it, they couldn’t get a result.” A report went out that the victim somehow had nonhuman blood.
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Researchers in South Africa claim they have extracted the DNA of an early human.

The microscopic traces of blood which yielded the sample are apparently from a 1.8 million-year-old hominid. If the claim is authenticated the DNA will be the oldest sample ever extracted.

Wits University micro-archaeologist Bonnie Williamson, says, ?The DNA we have found is something between a chimpanzee and a human, which suggests a hominid.? Williamson and her colleague Professor Tom Loy of the University of Queensland believe this DNA sequence is from either our direct ancestor Homo habilis or Paranthropus robustus. The tools on which the blood was found were in the Sterkfontein Caves, a World Heritage site in the Gauteng region.
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