Kirish, tirik va jonsiz tabiatning o’xshashligi va farqlari. Ismingiz


Download 470.5 Kb.
bet27/31
Sana09.06.2023
Hajmi470.5 Kb.
#1471663
1   ...   23   24   25   26   27   28   29   30   31
Bog'liq
9-sinf savolnoma

Genetika-IV. Ismingiz…………………
1.Zog’ora baliqda birikish guruhida xramasoma soni qancha ?..........................................................................................
2.Drozofilla meva pashshasining ko’zida pigment bo’lmasligi sabab bo’luvchi boshqa qaysi belgilarga ham ta’sir qiladai?..................................................................................................................................................................................
3.Sariq junli quyonlarning genotipini belgilang?..................................................................................................................
4…..orqali irsiylanish qonuniyatlarini o’rganishning ahamiyati juda katta?........................................................................
5.aaBB yoki aaBb genotipga ega xo’rozlarning toj shakli qanday bo’lishini belgilang?.....................................................
6.Sariq va yashil rangli gomozigota bo’lgan no’xotlarni chatishtirilganda F2 da fenotip jihatda qanday nisbatda ajralishi mumkin.?...............................................................................................................................................................................
7.Sichqonlarda qaysi genotipli letal xususiyatga ega?........................................................................................................
8.Mutant bu…?......................................................................................................................................................................
9.Qanday genotipga ega organizmlarda mutatsiya yashirin holda bo’ladi?..........................................................................
10.Odatda mutatsiyalar organizm uchun … bo’ladi?............................................................................................................
11.Quyidagilarning qaysi birida xramasomalar soni bir necha yuz barobar ko’payishi mumkin?.......................................
12.Bir juft belgisi bo’yicha geterozigota organizm tahliliy chatishtirishganda fenotip bo’yicha qanday nisbatda xilma-xillik yuzaga keladi?.............................................................................................................................................................
14.Gemofiliya genini tashuvchi genotipni aniqlang?............................................................................................................
15.Morgan va uning shogirdlari jinsiy xramasomalar orqali jinsni aniqlash b-n birga … nimani aniqladilar?...................
16.Autasomalar sonining o’zgarishi natijasida sodir bo’ladigan irsiy kasalliklarni aniqlang?.............................................
17……ning qayd qilishicha genlar faqat autasomalarda emas, balki jinsiy xarmasomalarda ham joylashgan bo’ladi?..................................................................................................................................................................................
20.Quyidagi organizmlarning qaysi birida xramasoma miqdori eng kam?..........................................................................
21.Xramasomalarning genetik kartasida genlarning qanday holati ko’rsatilgan bo’ladi?....................................................
22.Drozifilladagi jinsiy xramasomalar sonini aniqlang?.......................................................................................................
23.Quyidagilardan qaysi birining jinsiy xramasomasi X ni o’zidan iborat?.........................................................................
24.Quyidagilardan qaysi birida urg’ochisining jinsi geterogametali bo’ladi?......................................................................
25.Drazofilada qaysi belgi jinsga bog’liq holda irsiylanadi?................................................................................................
26.Sariq junli ota-ona sichqonlar chatishtirilganda, ulardagi miqdoriy nisbati qanday bo’ladi?..........................................
27.Sariq dominat gomozigotali sichqonlar qachon nobud bo’ladi?......................................................................................
28…..mutatsiyalar shu organizmning belgilarininig namoyon bo’lishiga ta’sir qilmaydi, u faqat keyingi bo’g’inlarda namoyon bo’ladi?..................................................................................................................................................................
29.Qaysi mutatsiyalar genlarning o’zaro ta’sir xarakterini o’zgartiradi?.............................................................................
30….mutatsiyalari xramasomalarning ma’lum bir qismining yo’qolishi tufayli vujudga keladi?.......................................
31.Qaysi mutatsiya natijasida poliploid, zanjiridagi aminokislotalarning ketma-ketligi yangilanadi?................................
32.Qaysi mutatsiyalar genlarning o’zaro xarakterini o’zgartiradi?......................................................................................
33.Somatik mutatsiyalarning qaysi biri keyingi avlodlarga o’tadi?......................................................................................
34.Qaysi mutatsiyalar genlar muvozanatining buzilishiga va organizm rivojlanishining buzilishiga olib keladi?..............
35.O’simlikshunoslikda qaysi hodisadan keng foydalinadi?................................................................................................
36.Reaksiya normasining torligi…kabi muhim belgilarga xosdir?......................................................................................
37.Quyidagilardan qaysi biri modifikatsion o’zgaruvchanlikka misol bo’ladi?...................................................................
38.Organizmlardagi patalogik holatning funksional buzilishini aniqlaydigan metodni belgilang?......................................



Download 470.5 Kb.

Do'stlaringiz bilan baham:
1   ...   23   24   25   26   27   28   29   30   31




Ma'lumotlar bazasi mualliflik huquqi bilan himoyalangan ©fayllar.org 2024
ma'muriyatiga murojaat qiling