Organizmlarning ko’payishi
Download 431.94 Kb. Pdf ko'rish
|
2 5433971100818084363
|
o’simlikning mitoz sikli anafaza bosqichida qutblarga nechtadan xromasoma tarqalishini aniqlang. A) 96 B) 192 C) 48 D) 384 8.Olchaga nisbatan 3 barobar ko’p xromasomaga ega o’simlikning mitoz sikli anafaza oxirida xromatid sonini aniqlang. A) 96 B) 192 C) 48 D) 384 9.Olchaga nisbatan 3 barobar ko’p xromasomaga ega o’simlikning mitoz sikli interfazadan so’ng DNK sonini aniqlang. A) 96 B) 192 C) 48 D) 384 10. Olchaga nisbatan 3 barobar ko’p xromasomaga ega o’simlikning mitoz sikli interfazadan so’ng mikronaychalar sonini aniqlang. A) 54 B) 108 C) 0 D) 27 11. Turpning somatic hujayrasida 16 ta autosoma bo’lsa, bo’linayotgan hujayraning anafaza bosqichida xromasomalar sonini aniqlang. A) 18 B) 36 C) 72 D) 32 12.Turpning somatic hujayrasida 18 ta xromasoma bo’lsa, bo’linayotgan hujayraning anafaza bosqichida xromatidlar sonini aniqlang. A) 18 B) 36 C) 72 D) 32 13.Karam hujayrasida mitoz siklining G2 bosqichidagi DNK sonini aniqlang A) 16 B) 18 C) 32 D) 36 14.Karam hujayrasida mitoz siklining G2 bosqichidagi xromasoma sonini aniqlang A) 16 B) 18 C) 32 D) 36 15. Karam hujayrasida mitoz siklining G2 bosqichidagi xromatidlar sonini aniqlang A) 16 B) 18 C) 32 D) 36 16.Erkak makaka somatik hujayrasida 42 ta xromasoma mavjud bo’lib, ulardagi barcha genlar gomozigota bo’lsa, silliq mushak nhujayralarida necha xil DNK bor? A) 22 B) 21 C) 42 D) 43 17.Urg’ochi kaptarning somatik hujayrasida 80 ta xromasoma bo’lib, ulardagi barcha genlar gomozigota bo’lsa, teri hujayralarida necha xil DNK bor? A) 41 B) 80 C) 40 D) 78 18.Urg’ochi kaptarning somatik hujayrasida 80 ta xromasoma bo’lib, ulardagi barcha genlar gomozigota bo’lsa, tuxum hujayralarida necha xil DNK bor? A) 41 B) 80 C) 40 D) 39 19.Urg’ochi shinshillada 78 ta xromasoma mavjud bo’lib, ulardagi barcha genlar gomozigota bo’lsa, mushak hujayralarida necha xil DNK bor? A) 40 B) 39 C) 78 D) 76 20..Erkak shinshillada 78 ta xromasoma mavjud bo’lib, ulardagi barcha genlar gomozigota bo’lsa, mushak hujayralarida necha xil DNK bor? A) 40 B) 39 C) 78 D) 76 21. Tez kaltakesak tuxum hujayrasida 19 ta xromosoma uchraydi. Somatik hujayradagi barcha genlar gomozigota bo’lsa, shu hujayrada necha xil DNK bor? A) 38 B) 20 C) 19 D) 39 22. Qora kalamushning tuxum hujayrasidagi autosoma xromosomalari soni 20 ga teng bo‘lsa hamda embrional rivojlanishning maydalanish bosqichida hosil bo‘lgan hujayralarda jami xromosomalar 21504 taga yetgan bo‘lsa, embrion necha marta meridian yo‘nalish bo‘ylab bo‘lingan? A) 4 B) 10 C) 6 D) 5 23. Uy tovug‘ining somatik hujayrasida 78 tadan xromosoma bo‘lsa, uning hujayrasida interfazaning G2 davridagi hujayra yadrosida nechta xromatid bo’ladi? A) 156 B) 78 C) 312 D) 160 24. Blastomerlari 16 taga yetgan tulki embrionida jami xromosomalar soni 608 ta bo‘lsa, tulki tana hujayrasida interfazaning G2 davridagi hujayra yadrosida nechta xromatid bo’ladi? A) 38 B) 76 C) 19 D) 152 25. Blastomerlari 16 taga yetgan tulki embrionida jami xromosomalar soni 608 ta bo‘lsa, tulki tana hujayrasida miozning anafaza davridagi hujayra yadrosida nechta xromatid bo’ladi? A) 38 B) 76 C) 19 D) 152 26. Blastomerlari 16 taga yetgan tulki embrionida jami xromosomalar soni 608 ta bo‘lsa, tulki tana hujayrasida interfazaning G2 davridagi hujayra yadrosida nechta DNK bo’ladi? A) 38 B) 76 C) 19 D) 152 27. Kaptar tana hujayrasida 39 juft autosoma bo‘ladi. Kaptar hujayrasi xromosomalariga nisbatan 2 barobar kam xromosomaga ega bo‘lgan uy sichqoni tana hujayrasida interfazaning G2 davridagi hujayra yadrosida nechta DNK bo’ladi? A) 40 B) 80 C) 78 D) 41 28. Kuyka hujayra siklining anafaza bosiqichida xromasoma soni 68 ta. O’rganilayotgan barcha belgilarni ifodalovchi genlar gomozigota holatida. Erkak kuyka tana hujayrasida necha xil DNK molekulasi mavjud? A) 17 B) 34 C) 68 D) 18 29. Xrizantema meyoz siklining anafaza II bosqichida xromasoma soni 36 ta bo’lsa, anafaza I dagi xromasoma sonini aniqlang? A) 36 B) 18 C) 72 D) 30 30. Xrizantema meyoz siklining anafaza II bosqichida xromasoma soni 36 ta bo’lsa, anafaza I dagi DNK sonini aniqlang? A) 36 B) 18 C) 72 D) 30 31. Qalampir o‘simligida meyoz jarayoni buzilishi natijasida hujayradagi birinchi juft xromosoma va |
