Final answer:
Bacterial transposons known as Tn elements can carry antibiotic resistance genes, which are important in the context of human health as they contribute to the spread of antibiotic resistance among bacteria.
Step-by-step explanation:
Bacterial transposons, or Tn elements, are segments of DNA that can move within a genome and are larger than insertion sequences or IS elements. These Tn elements can carry with them antibiotic-resistance genes, which are of significant concern to human health. When Tn elements transpose, they can transfer these genes from the chromosome to plasmids or from one bacterium to another, contributing to the spread of antibiotic resistance. This process can make bacterial infections more difficult to treat and is a mechanism of genetic diversity and evolution among bacterial populations.