If someone is predisposed to a disease, what are they most likely to contract the disease due to what

The question is poorly worded but here goes nothin´.  

If someone is predisposed to a disease, they are most likely to contract it. This is due to genes from their biological parents being carriers of the disease.

it's a nutrition food for pregnant mothers so they unborn child can get its nutrition that it needs to grow in to a healthy baby.

explanation:

and the mother is getting all of her nutrition and her calcium and vitamins .