Answer:
A basic pedigree usually includes three generations—the consultand's first-degree relatives (parents, children, siblings) and second-degree relatives (half siblings, grandparents, aunts and uncles, grandchildren). Third-degree relatives, particularly cousins, are often included, if only to note that they "exist."
Explanation:
Yes, it is due to the presence of our diet. Meaning a persons digestive system can function non properly if using a different diet or if you have a poor diet, or a diet that does not fit to your body’s standard. So yes a persons digestive system is based on your diet.