Talk:2010 BGD Practical 3 - Gametogenesis: Difference between revisions
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Original page - http://embryology.med.unsw.edu.au/Medicine/BGDlabfertilization2.htm | |||
'''Female Oogenesis''' | |||
Meiosis initiated once in a finite population of cells | |||
1 gamete produced / meiosis | |||
Completion of meiosis delayed for months or years | |||
Meiosis arrested at 1st meiotic prophase and reinitiated in a smaller population of cells | |||
Differentiation of gamete occurs while diploid (in first meiotic prophase) | |||
All chromosomes exhibit equivalent transcription and recombination during meiotic prophase | |||
'''Male Spermatogenesis''' | |||
Meiosis initiated continuously in a mitotically dividing stem cell population | |||
4 gametes produced / meiosis | |||
Meiosis completed in days or weeks | |||
Meiosis and differentiation proceed continuously without cell cycle arrest | |||
Differentiation of gamete occurs while haploid (after meiosis ends) | |||
Sex chromosomes excluded from recombination and transcription during first meiotic prophase | |||
Revision as of 13:29, 9 May 2010
Original page - http://embryology.med.unsw.edu.au/Medicine/BGDlabfertilization2.htm
Female Oogenesis
Meiosis initiated once in a finite population of cells
1 gamete produced / meiosis
Completion of meiosis delayed for months or years
Meiosis arrested at 1st meiotic prophase and reinitiated in a smaller population of cells
Differentiation of gamete occurs while diploid (in first meiotic prophase)
All chromosomes exhibit equivalent transcription and recombination during meiotic prophase
Male Spermatogenesis
Meiosis initiated continuously in a mitotically dividing stem cell population
4 gametes produced / meiosis
Meiosis completed in days or weeks
Meiosis and differentiation proceed continuously without cell cycle arrest
Differentiation of gamete occurs while haploid (after meiosis ends)
Sex chromosomes excluded from recombination and transcription during first meiotic prophase
References
NCBI Bookshelf - Endocrinology: An Integrated Approach. Nussey, S.S. and Whitehead, S.A. Oxford, UK: BIOS Scientific Publishers, Ltd; 2001. The ovary - folliculogenesis and oogenesis | Spermatogenesis
Mitosis and Meiosis: MBoC Fig 20-6
Oogenesis: MBoC ch20f16.gif
Spermatogenesis: Dev Biol Ch19f18.jpg
Seminiferous Tubule: Dev Biol ch19f17.jpg
