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

(v16-111-27) Gorilla zigotasining ikkinchi

marta ekvatorial bo'linishidan hosil bo'lgan blastomerlarda necha juft autosomaiar bo'ladi? A)736 B)288 C)768 D)1472

59. 
    (v16-112-9) Ikki pallali mollyuskalar(l) va kiprikli yassi chuvalchanglar(ll)ning ektoderma (a), mezoderma (b) va endoderma (c) varaqalaridan ilk paydo bo'lgan organlarni to'g'ri juftlab ko'rsating.
    

1) mantiya pardasi; 2) nerv tuguni; 3) so'lak bezlari; 4) jigar; 5) bosh miya; 6) ichak;

7) halqum; 8) tuxumdon; 9) urug' hujayra;

7. 
   chig'anoq; 11) tasmasimon buyrak; 12)ko‘zlar.
   

1. 
   l-a-10; b-9; c-4; ll-a-12; b-7; c-3
   
2. 
   l-a-5; b-4; c-9; ll-a-3; b-8; c-6
   
3. 
   l-a-1; b-11; c-4; ll-a-2; b-8; c-6
   
4. 
   l-a-5; b-9; c-3; ll-a-2; b-8; c-7
   

60.