Question

What is the difference between complete genome and chromosome at NCBI? Why these two terms have been mentioned differently?

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6.5 years ago

sharmatina189059 ▴ 110

Can anybody tell me what is the difference between complete genome and chromosome at NCBI? Why these two terms have been mentioned differently?

NCBI • 1.9k views

ADD COMMENT • link 6.5 years ago by sharmatina189059 ▴ 110

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maybe the genome is the chromosome assembly

ADD REPLY • link 6.5 years ago by nora ▴ 40

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can you add the context where these terms are mentioned?

ADD REPLY • link 6.5 years ago by lieven.sterck 15k

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https://www.ncbi.nlm.nih.gov/genome/genomes/187 See this link. Here the number of complete genome and chromosomes are different. and if we consider the sequencing of plasmid they both have. So how can we discriminate these two terms?

ADD REPLY • link 6.5 years ago by sharmatina189059 ▴ 110

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What is a genome at NCBI.

ADD REPLY • link 6.5 years ago by GenoMax 147k

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https://www.ncbi.nlm.nih.gov/genome/genomes/187 See this link. Here the number of complete genome and chromosomes are different. and if we consider the sequencing of plasmid they both have. So how can we discriminate these two terms?

ADD REPLY • link 6.5 years ago by sharmatina189059 ▴ 110

score 0 · Answer 1 · 2018-05-26

Some of the organisms like viruses don't have chromosomes. Their nucleic acid is either single or double stranded DNA/RNA. If you sequence one strand of DNA or RNA, that becomes the complete genome for the virus. Some viruses might have more than one strand (like influenza virus), still they are not in the form of chromosome. So, you will find the sequences of all the fragments as one complete genome in Genebank.