Does replication of DNA begin at one end and proceed to the other

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Hydrogen bonds break and helix opens. Each strand of DNA acts as a template for synthesis of a new, complementary strand. Replication produces two identical DNA double helices, each with one new and one old strand. A replication fork is a point in a DNA molecule where the two strands separate during replication. ... Does replication of DNA begin at one end and proceed to the other? No, it happens simultaneously at several sites.

so therefore, your answer is no they dont!

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many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: