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Script: Nawukhuluma ngekwebhayologi, "kwakheka kwemuntfu kucalisa ngekwakheka kwembewu," ngalesikhatsi indvodza nemfati bahlanganisa 23 ngamunye wemakhromozomu abo lokwenteka ngekuhlangana kwetinhlayiya tabo tekutala. | ||
All ages referenced to fertilization, not last menstrual period. |