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

(v15-116-30) Gametogenezning qaysi bosqichida interkinez holati kuzatiladi?

A) o'sish B) ko'payish

C) shakllanish D) yetilish

74. 
    (v15-119-9) Karam o'simligi diploid turida (n = 9) meyoz jarayoni anormai kechishi natijasida ikki juft xromosomalar ajralmay qutblarga noteng taqsimlandi. Hosil bo'lgan ikkala hujayradagi xromosbmalar to'plami sonini aniqlang.
    

A)11va7ta B)10va8ta

C)18va19ta D)28va26ta

74. 
    (v15-119-29) Jinssiz ko'payish bilan bog'liq jarayonlar to'g'ri ko'rsatilgan javobni aniqlang.
    

1) xlamidomonadaning shizogoniya usulida ko'payishi; 2) tustovuqdagi tabiiy partenogenezning uchrashi; 3) molodiloning ajratuvchi kurtakchalaridan ko'payishi;

4. 
   oq planariyaning zigota hosil qilishi;
   
5. 
   saksovulning qanotchaii meva hosil qilishi; 6) ignatanliiarning tana bo'laklari bilan ko'payishi; 7) tilyapiyaning tashqi urug'lanishi;
   

3. 
   achitqining kurtaklanib ko'payishi.
   

A) 1,3, 6, 8 B)2,4, 5, 7

C) 1,4, 6, 7 D)2, 3,4, 8

74.