DNA is the miracle molecule of life. Most of the higher-level organisms, such as humans, animals, plants, have DNA as their genetic information carrier. DNA contains all the traits of an organism. DNA is like a recipe book that contains all the information to create RNA and proteins of an organism. DNA can be both double-stranded (dsDNA) and single-stranded (ssDNA). While dsDNA is the most abundant type of DNA in nature, some viruses contain ssDNA as their genome. ssDNA is very rare in nature; thus, we will only discuss dsDNA for convenience.
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