Final answer:
Transposons, or jumping genes, are DNA segments that can move within the genome, potentially causing mutations and altering DNA amounts.
Explanation:
Transposons, also known as jumping genes, are segments of DNA that can move around within the genome. They can cause mutations and alter the amount of DNA in a cell's genome. There are two main types of transposons: Class II transposons move DNA directly, while Class I transposons involve transcribing DNA into RNA and then back into DNA to insert into a new location.
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