Temperature and Sperm Incorporation in Polyploid Salamanders

Although most animals reproduce sexually, a number of all-female groups exist. Triploid hybrid salamanders appear to maintain themselves by using a male's sperm to activate their eggs, after which the sperm nucleus is eliminated (gynogenesis). The incidence of sperm nuclear incorporation in egg...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1989-11, Vol.246 (4933), p.1032-1034
Hauptverfasser:	Bogart, James P., Elinson, Richard P., Licht, Lawrence E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ambystoma - genetics Ambystoma - physiology Ambystoma jeffersonianum Animals Biological and medical sciences Breeding of animals Crosses, Genetic Female Female animals Fish Freshwater Fundamental and applied biological sciences. Psychology Genomes Gynogenesis Hybridity Karyotyping Larva Larvae Male Male animals Non mammalian vertebrate reproduction Ova Polyploidy Reproduction Reproduction (Biology) Salamanders Sperm-Ovum Interactions Spermatozoa Spermatozoa - physiology Temperature Tetraploidy Triploidy Vertebrates: reproduction
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