Qaado Ilaa 95% Iibsasho kasta
X (unugga ukunta) + X (unugga shahwada) = XX, ie, dumar, ama. X (unugga ukunta) + Y (unugga shahwada) = XY, ie, lab. Asal ahaan, suurtogalnimada wiil ama gabadh ayaa laga yaabaa in loo qaato 50% mid kasta ku dhawaad ​​qof kasta. Sida laga soo xigtay cilmi-baaris lagu sameeyay jiirarka, cunuggu hidde ahaan wuu u eg yahay aabbaha, marka loo eego hooyada. Sababta tani waa DNA-da laga soo gudbiyay ...
Hel Koodh