I-DNA ME imema ama-labhorethri akhethiwe ukuba abe yingxenye yobambiswano olukhethekile lwezinyanga eziyishumi nambili oluletha yonke inqubo yokulandelana kwe-DNA esikhungweni sabo. Bona ukuthi ama-labhorethri ambalwa abe yizithandani zokuqala ngenkathi egcina ukuzimela…
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