How Chernobyl’s Radiation Affected DNA Across Generations
2 minutes read
The Chernobyl nuclear disaster of 1986 released massive amounts of radiation, raising questions about its long-term effects on humans. A recent study has provided new insight into whether radiation exposure can cause genetic mutations passed down from exposed parents to their children.
Researchers analyzed the DNA of 130 children born between 1987 and 2002 to parents who were exposed to radioactive fallout. By sequencing the genomes of both parents and their children, scientists looked for new genetic mutations that could have been caused by radiation exposure.
The study found no evidence of an increased number of de novo mutations—new genetic changes not inherited from either parent—in the children of Chernobyl survivors. This suggests that, despite the parents’ exposure to high levels of radiation, the genetic impact on subsequent generations appears minimal. These findings are significant for understanding the risks of radiation exposure and its implications for future generations.
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