Hello dear, Thank you for your contact to health care magic. I read and understand your concern. I am Dr Arun Tank answering your concern. Yes, there is chance of son having diabetes of father. But it is always not necessary that son always have diabetes. If your child adopts good life style habit he will never gets diabetes. Healthy life style means doing regularly exercise, eating healthy food, low in fat and high in protein diet. This will maintain optimum glycemic control and you never gotta have diabetes. I will be happy to answer your further concern on bit.ly/DrArun. Please hit thank you for me if you are helped. Thank you, Dr Arun Tank Infectious diseases specialist.