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What is Origins of replication in Biology? PDF | Download eBooks

Learn Origins of replication definition in biology with explanation to study “What is Origins of replication”. Study origins of replication explanation with biology terms to review biology course for online degree programs.

Origins of replication Definition

  • Replication of a chromosome begins at particular sites called origins of replication, short stretches of DNA having a specific sequence of nucleotides.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Origins of replication Explanation

Origin of replication is by definition, the area where replication starts. In bacteria there is usually only one origin however in eukaryotes the genomic size is much bigger. Therefore eukaryotes often have multiple origins of replication on each linear chromosome that initiate at different times (replication timing), with up to 100,000 present in a single human cell.

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