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 .
These days gambling have turned to be a part of one's hobby. This is the reason we can see majority of common people who are little knowledged about technology are into gambling. Another important reason for the increased participation into gambling by the present generation is through the advertisement broadcast on the television. This doesn't have anything with the inheritance.
Biologically, gambling is not a trait. Even if I have a deep passion for it, that doesn't mean my children will share it. It would be absurd to argue that drinking is a trait that can be passed down from parent to child, gambling is something you can easily give up, and if you quit before your kid is born, he or she won't know anything about your relationship and gambling. unfortunately, society and environmental factors are the primary problems with underage gambling today.
Children are motivated by money, and they pick up lessons quickly from what they observe. Since gambling often culminates in big wins for players, children may want to go into it if they are not properly supervised. Every parent has a duty to prevent their kids from gambling until they are old enough to take responsibility for their own decisions and also restrict them, where necessary.