Saynisyahanno sheegay Sababta Dadka Qaar Habeenkii Xilli Dambe ay u Soo Jeedaan.

Haddii aan hurdo hore kuu qaban habeenkii oo aad soo jeedo inta badan,waxa sababtaa loo aaneeynaaya hidde-sidayaashaada (Genes).