It's tricky to make an exact copy of yourself. Or at least it is for cells undergoing mitosis, where cells replicate everything inside of them, including their neatly packaged DNA, then split in half.

In the double helix structure of DNA, thymine forms a base pair with adenine through two hydrogen bonds. This specific pairing is known as complementary base pairing and is essential for the stability ...

In one sentence: DNA origami is a self-assembly technique that folds a long single-stranded DNA molecule into precisely defined nanoscale shapes using hundreds of short, computer-designed staple ...