Why is that. For a long time weve been told its in our genes and that the genes were born with form allergen its a clue press. Now we said to say its more complicated through a mechanism called epigenetics our environment and lifestyle can actually modify our genes. One in every five hundred women has a potentially dangerous genetic defect. A mutation in one of the b. R. C. A. Genes which increases the risk of Breast Cancer. But not every woman with the mutation will develop the disease so what determines who will a question that geneticist monette as the year has spent years investigating. The idea that spurred this research came to him one day at lunch. I was. For the area and a couple of queens been Walking Around and you can see they were doing this because they have similar features but one was seen and the other was more fat and they thought possible if they had the same d. N. A. Still yet realized that tweens could be the key to solving the mystery. He began reviewing the medica