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Schematic of DNA biology. A replication fork depicting the extension of a leading strand (top helix, extending right to left, towards the fork) and a lagging strand, foreground bottom helix, where the 5′ end of an Okazaki fragment is visible. A replication error is shown in brown near the 5′ end of the Okazaki fragment. An external source has also introduced a mutational lesion or base-pair mismatch in the pre-replicated DNA.
Relating molecular genetic differences between individuals to the traits they exhibit.
An attempt to represent evolutionary changes in gene regulation and how they can impact phenotype. Evolutionary tree is the first known attempt to draw an evolutionary tree – from the note book of Charles Darwin.