جيل

جيل
عائلة من خمسة أجيال
معلومات عامة
صنف فرعي من
يدرسه

الجيل[1] هو مرحلة التعاقب الطبيعية من أب إلى ابن، ويعرّف تقليديا على أنه «متوسط الفترة الزمنية بين ولادة الآباء وولادة أبنائهم.» ومدة الجيل من 20 -30[2] سنة.[3][4][5]

في علم الأحياء، عملية نقل الكائنات الحية لسماتها الوراثية من جيل إلى جيل تعرف بالتطور[بحاجة لمصدر].

انظر أيضًا

المراجع

  1. ^ مصطفى الشهابي (2003). أحمد شفيق الخطيب (المحرر). معجم الشهابي في مصطلحات العلوم الزراعية (بالعربية والإنجليزية واللاتينية) (ط. 5). بيروت: مكتبة لبنان ناشرون. ص. 836. ISBN:978-9953-10-550-5. OCLC:1158683669. QID:Q115858366.
  2. ^ "generation Meaning in the Cambridge English Dictionary". dictionary.cambridge.org (بالإنجليزية). Archived from the original on 2019-05-31. Retrieved 2018-04-30.
  3. ^ Gilleard, C. & Higgs, P. (2002). "The third age: Class, cohort or generation?". Ageing and Society. ج. 22 ع. 3: 369–382. DOI:10.1017/s0144686x0200870x.
  4. ^ Anna، Garvey (25 مايو 2016). "The Biggest Difference Between Millennials and My Generation". Huffington Post. مؤرشف من الأصل في 2017-09-25. اطلع عليه بتاريخ 2017-07-01.
  5. ^ [1] SF2.3: Mean age of mothers at first childbirth. Retrieved 15 April 2011. نسخة محفوظة 02 مارس 2018 على موقع واي باك مشين.

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