What of the following statements is true of a microbiome? a. It refers to the collective genes of a specific bacterial sample.
b. It is a collection of disease-causing bacteria.
c. It is a group of protein-digesting fungi.
d. It is a group of fat-digesting bacteria.

The correct answer is - option A) It refers to the collective genes of a specific bacterial sample

Explanation:

Microbiome. the absolute number of genes from life forms microbes in a specific environment. For our situation, these environments/habitats are found in various territories of the body (skin, gut, stomach, and more).

The microbiome can be any specific community or a group of genes of a specific microbe or bacterial sample, not a specific disease or fat-digesting group of bacteria.

Thus, the correct answer is option A)

d. everyone should be treated fairly.