Spermatogenesis vs Oogenesis

Spermatogenesis vs Oogenesis - Number of Gametes Produced 1...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Sydney Dennis-B Genetics H/W Jan, 19 th , 2010 Spermatogenesis vs. Oogenesis Male Before Birth Female Meiotic division of spermatogonia: Can occur before birth until death Timing Meiotic division of oogonia: Occurs before birth Testes Location Ovary 1 diploid spermatogonium Number of Gametes Produced 1 diploid oogonium Male Before Birth Female Development into primary spermatocytes: Can occur before birth until death Timing Development into primary oocytes: Occurs before birth Testes Location Ovary 1 diploid primary spermatocyte Number of Gametes Produced 1 diploid primary oocyte Male Puberty Female Formation of secondary spermatocyte (meiosis 1): Can occur between puberty and death Timing Formation of secondary oocytes (meiosis 1): Begins before birth, ends at puberty Testes Location Ovary 2 haploid secondary spermatocytes
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Number of Gametes Produced 1 haploid secondary oocyte and 1 polar body Sydney Dennis-B Genetics H/W Jan, 19 th , 2010 Male Puberty - Fertilization Female Formation of spermatids (meiosis II): Can occur between puberty and death Timing Formation of ovum (meiosis II): Begins in puberty, ends only upon fertilization; can occur until menopause Testes Location Ovary 4 haploid spermatids Number of Gametes Produced 1 haploid ovum and 1 polar body Male Puberty - Fertilization Female Development into sperm cells: Can occur between puberty and death Timing Development into egg cells (only upon fertilization): Can occur between puberty and menopause Testes Location Ovary 4 haploid sperm cells Number of Gametes Produced 1 haploid egg cell and two polar bodies...
View Full Document

This note was uploaded on 12/10/2011 for the course SCI 101 taught by Professor Na during the Spring '10 term at Arizona Western College.

Page1 / 2

Spermatogenesis vs Oogenesis - Number of Gametes Produced 1...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online