C.3314+1G>T I won't pretend I really know what this means. I do know that it signifies the 'address', somehow, within genetics. This particular one is a marker for a mutation on Eddie's 17th chromosome. This mutation is Neurofibromatosis. ~~~~~~~~~ Eddie is two years old. He lives in Cardiff with myself (mum), his dad, his brother and our 3 cats. Eddie loves cats. Eddie is a very happy and sociable little boy. He has a fantastic sense of humour, a cheeky attitude, he's adventurous and he's fearless. He loves a cuddle, warm blankets and watching 'Hey Duggee'. He is smart, meeting or ahead of his milestones and as healthy as any 2 year old should be. He also has Neurofibromatosis Type 1 (NF1). NF1 is a genetic condition. It can be hereditary, as is in Eddie's case, or can be a spontaneous mutation. In fact, whilst chances of passing the NF1 to offspring is 50/50, 50% of all NF1 cases are quite random, out of the blue. Maybe from that you'