Which of the following best defines genetics in the context of biotechnology?

The definition of genetics in the context of biotechnology encompasses the study of genes, genetic variation, and heredity in living organisms, which includes not only human genetics but also bacterial genetics and, more broadly, the genetics of all organisms that can be manipulated for biotechnological purposes. Option B captures this broader perspective by mentioning human genes and bacteria, highlighting that genetics involves understanding the genetic makeup of various organisms that can be utilized in biotechnological applications such as genetic engineering, gene therapy, and synthetic biology. This option aligns with the multidimensional nature of biotechnology, where knowledge of different genetic systems is essential for advancements in fields like medicine, agriculture, and environmental science.