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Script: Unug kasta ee benii aadan waxaa ku jira taqriiban 3 bilyan ee lammaanayaashaan salka ah. DNA-ga halka unug wuxu sidaa warbixin aad u farabadan oo haddii lagu metteli lahaa erayo daabacan, iyadoo un la taxayo xarafka koowaad ee sal walba waxa loo baahan lahaa 1.5 milyan oo bogag qoraal ah! Haddii la fidiyo min dhammaad ilaa dhammaad, DNA-ga halka unug benii aadam cabbirkiisu waa 3 1/3 cag ama 1 miter. | ||
All ages referenced to fertilization, not last menstrual period. |