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Fish Reproduction - Anatomy & Physiology (view source)
Revision as of 11:23, 29 July 2008
, 11:23, 29 July 2008→Parthenogenesis
* An asexual form of reproduction found in females where growth and development of embryos occurs without fertilization by males.
* An asexual form of reproduction found in females where growth and development of embryos occurs without fertilization by males.
100% female contribution.
* 100% female contribution.
Self-activated oocytes require no contribution from sperm.
* Self-activated oocytes require no contribution from sperm.
The offspring produced by parthenogenesis almost always are female in species where the XY chromosome system determines gender.
* The offspring produced by parthenogenesis almost always are female in species where the XY chromosome system determines gender.
=== Hermaphrodism ===
=== Hermaphrodism ===