Cancer is a disease caused by mutations. yet in most instances if one of your parents tragically died from cancer, this does not put you at greater risk than a person whose parents do not develop cancer. how can cancer be caused by mutations and yet not be heritable?

Because it mainly is picked up through foods that are GMOed, and hence is the biggest contender to give you cancer unlike inheriting it.

When you are making a guess you are forming a hypothesis

Glucose, also called grape sugar, blood sugar or corn sugar, is among the simplest and one of the primary naturally occurring sugars. produced naturally by plants as the primary photosynthesis product, it is heavily used by living beings as a main energy source and is necessary for cellular respiration. chemically, it is a monosaccharide carbohydrate and serves as a building block for complex sugars like starch.