Spermatogenesis and Oogenesis — NEET Biology
📚 Practice Concept📖 NCERT Source
A diagrammatic representation of spermatogenesis and oogenesis is given below.
🖼️Related NCERT figure: Schematic representation showing two parts: (a) Spermatogenesis - showing progression from spermatogonia through mitosis, differentiation, primary spermatocytes, 1st meiotic division, secondary spermatocytes, 2nd meiotic division, spermatids, and differentiation to spermatozoa at puberty; (b) Oogenesis - showing progression from oogonia through mitosis differentiation, primary oocyte, 1st meiotic division, secondary oocyte, ovum formation with first and second polar bodies, spanning from fetal life through birth, childhood, puberty to adult reproductive life. Chromosome numbers per cell shown as 46 and 23 (Figure 2.8 Schematic representation of (a) Spermatogenesis; (b) Oogenesis)
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QuestionPractice Question
[NEET 2023] Given below are two statements regarding oogenesis.: Statement I: The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle. Statement II: Graafian follicle ruptures to release the secondary oocyte from the ovary by the process called ovulation. Choose the correct answer:
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