Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Kuronga kunotsvaka kurondedzera kusiyana-siyana kweutachiona nokupa mazita nokuronga maererano nokufanana kwahwo. Muna 1962, André Lwoff, Robert Horne, naPaul Tournier vakava vokutanga kugadzira nzira yokuronga nayo mavhairasi, yakavakirwa panzira yaLinnaean yokuronga zvinhu. Iyi gadziriro yakavakirwa pakuronga pa phylum, kirasi, hurongwa, mhuri, rudzi, uye rudzi. Utachiona hwakakamurwa maererano nezvinhu zvahwaiva nazvo (kwete zvahwaiva nazvo) uye rudzi rwenucleic acid inoumba majini acho. Muna 1966, International Committee on Taxonomy of Viruses (ICTV) yakaumbwa. Nzira yakataurwa naLwoff, Horne naTournier haina kumbobvumwa zvizere neICTV nokuti utachiona hune genome duku uye mwero wahwo mukuru wokushanduka-shanduka kunoita kuti zviome kuziva madzitateguru ahwo kunze kwehurongwa. Somunhu akadaro, kurongwa kweBaltimore kunoshandiswa kuzadza hurongwa hwechinyakare.  Mubvunzo: Mavhairasi anotumidzwa mazita uye kuiswa mumapoka zvichibva pachii?
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