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Comparison of the eukaryotic and prokaryotic genome

Comparison of the eukaryotic and prokaryotic genome

Feature Eukaryotes Prokaryotes
Location of genome Nucleus Cytoplasm
Size in million bases (Mb) 10 - 10 000 0.6 - 10
Shape Linear Circular
Number of chromosomes Nearly always more than one Nearly always one
Number of genes 6000 - 30000 500 - 4000
Ploidy level Diploid (usually) Haploid
Non-coding regions? Mostly non-coding Mostly coding
Plasmids No Yes
Introns Yes No
Operons No Yes
Telomeres Yes No
Histones Yes No
Origin(s) of replication Many One