Tuxumdonda urug'lanish jarayoni sodir bo'lganidan so'ng tuxum hujayra bachadon.,-■ nayiga o'tib, rivojlanishni davom ettiradi

(v20/21-124-23) Odam tanasidagi diploid to'plamga ega hujayralarni aniqlang.

1) urug'lanmagan tuxum hujayra; 2) bachadon devori hujayralari; 3) ovogenezning yetilish davridagi hujayralar; 4) ovogenez ning o'sish davridagi hujayralar; 5) endosperm;

6. 
   mitozning anafaza bosqichidagi hujayra.
   

1. 
   1, 3 B)2,4
   

C)1,4, 5 D)2, 3, 6

50. 
    (v20/21-132-7) Uy pashshasining somatik hujayrasida xromosomalar soni drozfcfilaga nisbatan 4 taga ko'p. Uy pashshasining hujayrasida mitoz profazasida nechta xromatida bo'ladi?
    

1. 
   12 B) 48 C) 24 D)6
   

50. 
    (v20/21-135-23) G'ozaning G. Herbaceum turida urug'lnishda ma'ium miqdorda zigotalar xosil bo'ldi. Barcha zigotalardagi xromosomalar soni 9568 ga teng bo'lsa, qo'sh urug'lanishda ishtirok etgan spermiylar sonini aniqlag.
    

A)368 B)736 C)920 D)184

50.