Why do the genomes of eukaryotes, such as Drosophila, need to have multiple origins of replication, whereas bacterial genomes, such as that of E. coli, have only a single origin?

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Biology

Milagros

9 May, 15:18

Why do the genomes of eukaryotes, such as Drosophila, need to have multiple origins of replication, whereas bacterial genomes, such as that of E. coli, have only a single origin?

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Antony Blanchard · Answer 1

The genome of euakaryotes in linear and its length is long, thus multiple replication origin ensures replication is carried out very fast in the eukaryotes in a short amount of time. While the genome of bacteria is circular in nature and not as long as that of eukaryotes and needs just one replication origin to carry out replication process within a short period of time