Semiconservative replication was not the only model ... DNA unwinding at a single spot on the chromosome known as the replication origin. As the double helix unwinds, it creates a loop known ...

As previously mentioned, the location at which a DNA strand begins to unwind into two separate single strands is known as the origin of replication. As shown in Figure 1, when the double helix ...

Extrachromosomal DNA (ecDNA) is a unique form of circular DNA that exists outside of normal chromosomes. Found exclusively in ...