Oliver has inherited genes that put him at risk for developing diabetes, but because of his healthy diet and exercise he is not diabetic. this example demonstrates that human characteristics, including diabetes, are

The given blank can be filled with epigenetics.

Explanation:

The study of inherited alterations in gene expression, which do not comprise modifications to the principal sequence of DNA is known as epigenetics. It refers to a variation in phenotype without modification in genotype that in turn influences how the cells read the genes.  

Epigenetic change refers to a natural and regular happening, however, it can also be affected by many elements like the environment or the lifestyle, age, and disease state.  

People that like the restaurant

Explanation:

In order to judge the feeling of the town, you should take into aspect what other people think of it, and since the people's numbers change, it would be good use to measure some aspects