"Most people who develop lung cancer have a history of long-term tobacco smoking; however, the condition can occur in people who have never smoked."Most cases of lung cancer is not genetic, although some people believe that it is. Lung cancer is a dominate gene, it will very easily take over your body no matter how small, but if you catch it in time you may be able stop it. Some people they may have gotten lung cancer may have gotten it from working at a mill or factory, even though they have never smoked. Lung cancer is a somatic cell, it has nothing to do with your parnets. https://ghr.nlm.nih.gov/condition/lung-cancer
"Heart disease can run in some families. But even if you inherit the risks factors that predispose you to heart disease, such as high blood cholesterol, high blood pressure, diabetes, or being overweight," It can sometimes be genetic but you can get it by just doing other stuff. It is a dominate gene that most times like the article said it is inherited. Heart disease isn't always inherited but most cases it is. Heart disease can be a germ cell if it is inherited, if not them it could be somatic.
PKU disease is a inherited disease that is also recessive, it only takes one gene to inherit the disease. "Phenylketonuria (commonly known as PKU) is an inherited disorder that increases the levels of a substance called phenylalanine in the. PKU is a germ cell becasue it has everything to do with your parents genes, you inherit this disease from your parents so it is a germ cell. blood."https://ghr.nlm.nih.gov/condition/phenylketonuria
"These are referred to as non-melanoma skin cancers and are generally the result of sun exposure.". Most people that have skin cancer are usually older people from the age of 65. This is inherited in most case but exposure to sun doesn't help the situation. It is also a dominate gene, it takes al lot of it for you to actually have the disease. For the most part, skin cancer is a germ cell because you inherit the cancer from your parents. https://stanfordhealthcare.org/medical-conditions/cancer/skin-cancer/causes-skin-cancer/genetics-skin-cancer.html
Some cases it's hereditary. If your parents or ancestors or grandparents or someone in your bloodline, you have a very good chance of getting the disease by inheriting it. Diabetes can be either dominate or recessive. you can get it form your parents, or the way you live you life. "The inheritance of diabetes is rather more complicated than the simple Mendelian concept of dominant and recessive, autosomal or sex-linked. Type 1 Diabetes depends to some extent on the inherited pattern of certain white blood cell surface proteins". Diabetes can be a germ cell or somatic, you can inherit it from your parents, or it can be somatic because the way you live your life. http://www.childrenwithdiabetes.com/dteam/1997-01/d_0d_1hl.htm