The Mystery of the Biggest Genomes

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3 billion base pairs is a pretty typical genome size for organisms like us, but there are a few plants and animals with genomes so huge they completely blow this number out of the water.

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Sources:

https://www.cell.com/trends/plant-science/fulltext/S1360-1385(17)30070-5
http://www.oxfordreference.com/view/10.1093/oi/authority.20110803095851873
https://www.britannica.com/science/eukaryote
https://www.nature.com/scitable/topicpage/polyploidy-1552814
https://blogs.scientificamerican.com/artful-amoeba/for-plants-polyploidy-is-not-a-four-letter-word/
https://www.tandfonline.com/doi/full/10.4161/mge.24775
https://www.nature.com/scitable/topicpage/transposons-the-jumping-genes-518
https://academic.oup.com/aob/article/112/6/1193/2768951
https://www.nature.com/articles/299151a0
http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.2003706
https://academic.oup.com/gbe/article/4/12/1340/608259

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