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

(v13-105-16) Shershevskiy-Terner sindromi belgilarini ajrating. '■

1) faqat ayollarda uchraydi; 2) feqat erkaklarda uchraydi; 3) erkakiarda ham, ayollarda ham kuzatiladi; 4) 21-jpft xromosoma bittaga ortadi; 5) xromasomalar soni 45 ta; 6) tuxumdon rivojlanmagan;.

5. 
   yelka chanoqqa nisbatan tor; 8) yurak va yirik qontomir nuqsoni ko'p uchraydi; 9) bo'yi juda past; 10) qo'l-oyoq uzun; 11) xromosoma soni 47 ta.
   

1. 
   3, 5, 6, 10 B) 3, 4, 8, 11
   

C)2, 7, 10, 11 D)1, 5, 6, 9

44. 
    (v14-218-10) Qaysi o'zgarishlar sitogenetik usulda o'rganilgan?
    

1) translokatsiya; 2) duplikatsiya;

3. 
   polidaktiliya; 4) gemofiliya; 5) poliploidiya;
   

6. 
   qandli diabet; 7) inversiya; 8) deletsiya;
   

9) Klaynfelter sindromi; 10) braxidaktiliya.

1. 
   1,2, 5, 8, 9 B)1,2, 3, 7, 8
   

100. 
     1,2, 4, 7,10 D)2, 6, 7, 8
     

45.