ontogenez - organizmning individual rivojlanishi
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powerpoint presentation ontogenez - organizmning individual rivojlanishi mamarajabova mashhuraxon 1. ontogenez va atrof-muhit omillari 2. ontogenezning bosqichlari 3. organizmning individual rivojlanishi reja: ontogenezning asosiy jarayonlari ontogenetik rivojlanishning muhim bosqichi, masalan, 14-kunlik embrionning gastrulasiya jarayoni, embrionning to‘qima va organlarining boshlang‘ich shakllanishini belgilaydi va kelajakdagi individual rivojlanishining yo‘nalishini aniqlaydi. ontogenez davomida hujayralarning differensiatsiyasi va spetsifikatsiyasi muhim ahamiyatga ega bo‘lib, masalan, 7-haftada embrionning segmentatsiyasi natijasida 3 asosiy qavat (ektoderma, mezoderma va endoderma) hosil bo‘ladi va ular keyinchalik turli to‘qimalar va organlarga aylanadi. o‘sish va rivojlanish jarayon...
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