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Jumping Down the Road to Cancer.  Lying dormant in our genomes are millions of jumping genes. Originally discovered by Barbara McClintock, transposons are DNA sequences that can move from one location to another in our DNA. Transposons cause mutations when they jump to new locations, so keeping them from jumping is important. However, although transposons are largely silent, every person probably…

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Study finds a gene mutation increases breast cancer risk to 1 in 3 - By Kate Kelland LONDON (Reuters) - Women with mutations in a gene called PALB2 have a one in three chance of developing breast cancer by age 70, according to research that suggests PALB2 is almost as important a risk factor as BRCA1 or BRCA2 mutations. BRCA1 and BRCA2 are widely known as breast cancer risk genes. Last year, actress Angelina Jolie went public with her decision to undergo ...

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