Origins of replication Notes: Definitions & Explanations PDF | Download eBooks
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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 Notes:
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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