DNA methylation involves adding a methyl group to DNA, which may influence gene expression and affect health aspects like childhood development and aging. Lifestyle factors, especially diet, may ...

DNA replication is the biological process by which an exact copy of a deoxyribonucleic acid (DNA) molecule is created and it is the basis for biological inheritance. Each of the two strands of the DNA ...

DNA (deoxyribonucleic acid) is the nucleic acid polymer that forms the genetic code for a cell or virus. Most DNA molecules consist of two polymers (double-stranded) of four nucleotides that each ...