Changlanish jarayonida chang donachalarining 30%i qatnashdi. Qosh urug

A) 1750

15. (v20/21-134-14) Changlanish jarayonida chang donachalarining 30%i qatnashdi. Qosh uruglanishda esa 40% spermiylar ishtirok etdi. Natijada 420 ta urug hosil boldi. Bu jarayonda qatnashgan arxeosporalar sonini korsating. A) 1750 B) 800 C)437
D) 875