Thatha Isaphulelo Esifinyelela Ku-95% Noma yikuphi Ukuthenga
X (iqanda leqanda) + X (ingqamuzana yesidoda) = XX, okungukuthi, owesifazane, noma. X (iqanda leqanda) + Y (ingqamuzana yesidoda) = XY, okungukuthi, owesilisa. Ngokuyisisekelo, ithuba lomfana noma intombazane lingathathwa njenge-50% lilinye cishe kuwo wonke umuntu. Ngokocwaningo olwenziwe ngamagundane, ingane ngokolibofuzo ifana noyise kunonina. Isizathu salokhu kube yi-DNA edluliselwe ...
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