B) 27 yoki 9 C) 9 yoki 18 D) 36
520. Turpda birlamchi jinsiy hujayra xromasomalarini ikki
qutbga tarqalishiga to’sqinlik qiladigan eritma tomizilganda
urug’langan markaziy hujayradagi xromasomalar sonini
toping.
A) 27 B) 27 yoki 9
C) 45 yoki 9 D) 36
521. Karp balig’ining bir turida tangachalar tana bo’ylab bir
xil joylashgan. Ikkinchi turida lentasimon joylashgan.
Lentasimon tangachalarga ega baliqlar chatshtirilganda 4500
avloddan 3000 tasi lentasimon, 1500 tasi bir xil va yana 25%
avlod nobud bo’lgan. Agar birinchi avlod qayta chatshtirilsa
nasllarning nehca % i genotip bo’yicha geterozigotali?
A) 50
B) 25 C) 75 D) 100
522. Shershevskiy-terner sindromi bilan kasallangan qizning
mitoz profaza bosqichida autosoma xromasoma va DNK
sonini aniqlang.
A) 44, 94
B) 44, 90 C) 44, 45 D) 88, 90
523. Shershevskiy-terner sindromi bilan kasallangan qizning
mitoz anafaza bosqichida autosoma xromasoma va DNK
sonini aniqlang.
A) 44, 94 B) 88, 94 C) 44, 45
D) 88, 90 524. Shershevskiy-terner sindromi bilan kasallangan qizning
mitoz metafaza bosqichida autosoma xromasoma va DNK
sonini aniqlang.
A) 44, 94
B) 44, 90 C) 44, 45 D) 88, 90
525. Klaynfelter sindromi bilan kasallangan yigitning mitoz
profaza bosqichida autosoma xromasoma va DNK sonini
aniqlang.
A) 44, 94
B) 44, 90 C) 44, 45 D) 88, 90
526. Klaynfelter sindromi bilan kasallangan yigitning mitoz
anafaza bosqichida autosoma xromasoma va DNK sonini
aniqlang.
A) 44, 94 B) 44, 90 C) 44, 45
D) 88, 90 @Biologiya
32
527. Klaynfelter sindromi bilan kasallangan yigitning mitoz
metafaza bosqichida autosoma xromasoma va DNK sonini
aniqlang.
A) 44, 94
