Gambling habits doesn't really pass from the gene of parents to children, most children are easily influenced by the hobbies of their parents. Normally most male just have interest in gambling because of the money it brings .
They might easily influence by their parent's behavior but when they get old they have their own choice whether they continue to mimic their parent's hobbies or not. But most of the time when they get addicted to certain hobbies whether good or bad, it's really hard to resist avoiding it and not doing it. People need to completely change their environments and they also need to stop accompanying people who used to influence them to gamble or do things that are not good. That's why it's really good to consider moving from the usual place where the bad habits are getting triggered to avoid returning back to the things you get addicted to.