The correct answer is methylation.
This process refers to the addition of methyl groups to the DNA molecule, when the activity of such DNA segments is slightly altered. The more we age, the less methylation there is, which is why the genes of the elderly are different from those of young people.
Answer:
<em>The world is developing because of new technology and advance gadgets to use. .The overuse of devices or children addicted to technology/gadgets like tablets, laptops, computers, smartphones, video games, etc. may reduce student's self-motivation, ability, and interest in learning.</em>
