DNA Types

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This form of DNA is a right-handed double helix reasonably similar to the B-DNA form but is a thicker right-handed duplex with a shorter distance between the base pairs.


The classic, right-handed double-helical structure is the B form of DNA. It is the most common form in most DNA at neutral pH and physiological salt concentrations.


This form of DNA is a left-handed helical structure in which the double helix winds to the left in a zigzag pattern and is found within the human genome.