https://www.iesjorgejuan.es/sites/default/files/dp8/departamentos/biologiaygeologia/materiales /probgenetica-4-eso.pdf
https://genotipia.com/la-clonacion-tipos-y-utilidad-terapeutica/
https://cdn.britannica.com/10/70110-050-8EF59E17/Dolly-process-sheep-somatic-cell-nuclear-transfer.jpg
https://www.researchgate.net/figure/Strategy-for-therapeutic-cloning-and-tissue-engineering_fig1_8140316
https://www.thesciencehive.co.uk/stem-cells-and-gene-expression-a-level
