Yarim letal gen
- organizm hayot faoliyatining susayib ketishiga
sabab bo‘ladigan gen.
195
M U N D A R I J A
SO ‘Z BO SH I
.................................................................................. 3
I BO B. KIRISH. ODAM GENETIKASINING
TADQIQOD METODLARI
1.1. Kirish.........................................................................................4
1.2. Odam genetikasi fanining rivojlanish tarixi.......................... 4
1.3. Odam genetikasining tarmoqlari............................................ 7
1.4. Odam genetikasining nazariy va amaliy ahamiyati..............8
1.5. Odam genetik obyekt sifatida................................................ 8
1.6. Odam genetikasining tadqiqot metodlari............................ 10
II BO B. ODAM IRSIYATINING MODDIY ASOSLARI
2.1. Hujayra sikli........................................................................... 30
2.2. Xromosomalaming tashqi tuzilishi...................................... 33
2.3. Xromosomalaming kimyoviy tarkibi...................................35
2.4. M eyoz.....................................................................................40
2.5. Odam ko‘payishi va individual rivrjlanishi........................ 43
2.6. Urug‘lan ish ............................................................................ 46
2.7. Odamning shaxsiy taraqqiyoti............................................. 47
2.8. Odam rivojlanishining genetik dasturi.................................49
III BO B. IRSIYAT QONUNLARI
3.1. Mendel qonunlari. Duragaylash metodi...............................54
3.2. Monoduragay irsiylanish......................................................56
3.3. Tahliliy chatishtirish.............................................................. 58
3.4. Oraliq irsiylanish....................................................................59
3.5. Diduragay chatishtirishda belgilarning irsiylanishi............62
3.6. Kodominantlik holda belgilarning irsiylanishi................... 66
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