وفر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.

اشترك الآن

تمت عملية الاشتراك بنجاح

إغلاق

عذراً، عذرا،أنت مشترك مسبقاً بالنشرة البريدية

إغلاق

عذراً، هناك مشكلة في البريد الالكتروني

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البيولوجيا

الاستنساخ |  Cloning

26 أبريل 2020


هو العملية التي تهدف الى انتاج نسخة طبق الأصل من الكائن الحي،حيث يحمل الكائن الجديد نفس المادة الوراثية للخلية الاصلية ، تطورت هذه التقنية كثيرا في المخابر خصوصا بعد ولادة النعجة دوللي المشهورة في التسعينيات.