24. (v19/20-108-12) Fenotipik ozgaruvchanlikni aniqlang.
1) К vitamin yetishmaganda odamda qon ivimasligi holati; 2) xo’roz boynida patning bolmasligi; 3) odamda rang ajrata olmaslik holati; 4) assidiya lichinkasida nerv nayining nerv tuguniga aylanishi.
A) 2, 4 B)1,3
C) 2, 4
D) 2, 2