Q: Read study done in Germany that links fathers to sons gene related to melanoma genesis in families. Any more research done on it yet?
Reader from Vancouver, WA
A: Many studies have shown a genetic link, and some of the responsible genes are known (and can be tested for), but these mutations are only responsible for a small number of melanomas.
In 90% of melanomas, the genetic changes leading to cancer are somatic mutations, meaning that they were not inherited and developed from scratch in the affected person.
Here is where it gets interesting: Exposure to ultraviolet light will generate many of these mutations. ...
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