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Script: noma imitha eli-1. Nakube besingathathulula i-DNA ngaphakathi kwamaseli womuntu omdala amabhiliyoni amantathu ali-100, ingathabuluka ibe ngaphezulu kwamamayela amabhiliyoni ama-63. Ubude lobu bungangokusuka emhlabeni ukuya elangeni ukubuya kuze kube ziinkhathi ezi-340. | ||
All ages referenced to fertilization, not last menstrual period. |