biology test 3
Authored by Muzaffar Annaev
Biology
University
Used 2+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Qovoqni oq va sariq gullarini chatishtirish natijasida F2 3/4 avlod oq 1/4 avlod sariq mevasi qovoq olindi. Ota-onalarning genotipini aniqlang?
Aa x Aa
AA x aa
Aa x AA
Aa x aa
2.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Rasmda qanday jarayon ifodalangan?
insertsiya
deletsiya
inversiya
transversiya
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Monogibrid chatishtirishda ikkinchi avlodda fenotip bo'yicha belgilar nisbati?
3:1
1:1
9:3:3:1
13:3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Odamda polidaktiliya dominant belgi sifatida irsiylanadi. Normal barmoqli ayol, geterozigota olti barmoqli erkakka turmushga chiqsa, ularning farzandlarining barmoqlari qanday bo'ladi?
50 % bolalar olti barmoqli
Barmoqlari normal
Hammasi noto'g'ri
25% bolalar olti barmoqli
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Tahliliy chatishtirish natijasida olingan avlodlarning biri retsessiv bo'lib chiqdi. Ota-onalarning genotipini aniqlang:
Aa va aa
AA va Aa
aa va aa
AA va AA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Oq mevali oshqovoqlarni o’zaro chatishtirganda 75% oq va 25% sariq mevali o'simliklar paydo bo'ldi. Ota-onalarning genotipini aniqlang?
Aa x Aa
Aa x AA
Aa x aa
aa x aa
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Qora sichqon o’rg'ochisini jigarrang erkagi bilan chatishtirganda 29 ta qora va 27 ta jigarrang bolalar tug'ildi. Ota-onalarining genotipini aniqlang?
Aa x aa
Aa x AA
AA x AA
aa x aa
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