The human genome is 3.3Gb (b means bases) in size. HIV virus is only 9.7kb. The largest known virus genome is 2.47Mb (pandoravirus salinus). The largest known vertebrate genome is 130Gb (marbled lungfish). The largest known plant genome is 150Gb (Paris japonica). The largest known genome belongs to an Amoeboid whose size is 670Gb, but this claim is disputed.
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