Upauki Kashi 95% Kashe Duk Wani Siyayya
X (kwayoyin kwai) + X (kwayoyin sperm) = XX, watau, mace, ko. X (kwayoyin kwai) + Y (kwayoyin sperm) = XY, watau, namiji. Ainihin, ana iya ɗaukar yuwuwar namiji ko yarinya a matsayin 50% kowanne ga kusan kowa. A cewar wani bincike da aka gudanar kan beraye, jariri ya fi uwa uba a fannin dabi’a. Dalilin wannan shine DNA da aka samu daga ...
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