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See all on WikipediaGynogenesis, a form of parthenogenesis, is a system of asexual reproduction that requires the presence of sperm without the actual contribution of its DNA for completion. The paternal DNA dissolves or is destroyed before it can fuse with the egg. The egg cell of the organism is able to develop, unfertilized, … See more
Most gynogenetic species fall into the taxonomic groups of the fishes and the amphibians.
Amazon mollies (Poecilia formosa) require the sperm of closely related male Poecilia latipinna to … See moreTwo evolutionary pathways may be considered to explain how and why gynogenesis evolved. The single-step pathway involves multiple changes taking place simultaneously: See more
Wikipedia text under CC-BY-SA license WEBGynogertesis. Gynogenesis is a method for producing fish in which all the genetic information originates from the female parent, i.e., from the egg. In salmonids, …
Bij vissen treedt in de natuur vaak gynogenese op bij bijvoorbeeld de giebel (Carassius gibelio) en goudvis. De eicel wordt onder kunstmatige omstandigheden met uv-licht geactiveerd, tot delen door vreemd of steriel gemaakt sperma. Het genetisch materiaal van het tweede poollichaampje wordt gebruikt om het embryo diploïd te maken. De nakomelingen zijn homozygoot, maar niet identiek aan het moederdier, tenzij het moederdier ook homozygoot was. Het is ook mogelijk gynogenes…
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WEBDie Gynogenese ist eine Form der ungeschlechtlichen Vermehrung, wobei die Eientwicklung infolge eines auslösenden Kontaktreizes der Eizelle mit einem Spermium …
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WEBBekend als pseudogamie of gynogenese, vereist dit type reproductie de aanwezigheid van zaadcellen om de ontwikkeling van eicellen te …
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WEBFollow Us On Social. The development of entire plants from unfertilized female gametes is termed, "gynogenesis." It serves as a valuable alternative to haploid production for …
WEBApr 5, 2022 · gynogenesis: [noun] development in which the embryo contains only maternal chromosomes due to activation of an egg by a sperm that degenerates without fusing …
WEBAbstract. The importance of in vitro induction of haploids in crop improvement has been extensively reviewed (Bajaj, 1990; Hu & Yang, 1986). During the last decade or so, …
GYNOGENESIS Definition & Meaning | Dictionary.com
WEBGynogenesis definition: a type of reproduction by parthenogenesis that requires stimulation by a sperm to activate the egg into development but occurs without fusion of sperm and …
WEBEggs of diploid females of Pleurodeles waltlii, inseminated by genetically inactivated sperm of Salamandra salamandra, have been treated by heatshock or increased hydrostatic …
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