Goniaea australasiae

Goniaea australasiae
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Orthoptera
Suborder:	Caelifera
Family:	Acrididae
Genus:	Goniaea
Species:	G. australasiae
Binomial name
	Goniaea australasiae; (W.E. Leach, 1814)
Synonyms
	Goniaea alta (Walker, 1870) ; Goniaea ampla Sjöstedt, 1921 ; Goniaea arcuata Tepper, 1896 ; Goniaea cinnamomea (Serville, 1838) ; Goniaea distincta Brancsik, 1896 ; Goniaea fusca Tepper, 1896 ; Goniaea gallina Sjöstedt, 1921 ; Goniaea macronotum Sjöstedt, 1921 ; Goniaea marginalis Sjöstedt, 1930 ; Goniaea miniata Sjöstedt, 1921 ; Goniaea nigropunctata Brancsik, 1896 ; Goniaea roseipennis Sjöstedt, 1930 ; Goniaea rostrata Sjöstedt, 1936 ; Goniaea sanguinipennis Sjöstedt, 1920 ; Gryllus australasiae Leach, 1814 ;

Goniaea australasiae is a species of grasshopper in the family Acrididae.^[2]

Experiments have been carried out with G. australasiae to study the time of genetic recombination in relation to the sequence of stages in meiosis, the relationship of chiasmata to crossing over, and the mechanism of recombination.^[3] Combined cytological and autoradiographic analyses of meiosis showed that crossing over is achieved by breakage and exchange of segments of nonsister, homologous chromatids, and each such exchange event results in the formation of a cytologically visible chiasma. The meiotic stage at which this form of recombination takes place has been identified as "early pachytene," and it is well removed from premeiotic chromosome duplication.

References[]

^ http://data.gbif.org/species/5806672/
^ Eades, D.C.; Otte, D.; Cigliano, M.M.; Braun, H. "Orthoptera Species File Online. Version 2.0/4.0.: species Goniaea australasiae (Leach, 1814), 1873". Retrieved 29 December 2011.
^ Peacock WJ (1970). "Replication, recombination, and chiasmata in Goniaea australasiae (Orthoptera:Acrididae)". Genetics. 65 (4): 593–617. doi:10.1093/genetics/65.4.593. PMC 1212469. PMID 5518507.

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[GBIFSpes-1] ttp://data.gbif.org/species/5806672/

[OSP-2] Eades, D.C.; Otte, D.; Cigliano, M.M.; Braun, H. "Orthoptera Species File Online. Version 2.0/4.0.: species Goniaea australasiae (Leach, 1814), 1873". Retrieved 29 December 2011.

[pmid5518507-3] Peacock WJ (1970). "Replication, recombination, and chiasmata in Goniaea australasiae (Orthoptera:Acrididae)". Genetics. 65 (4): 593–617. doi:10.1093/genetics/65.4.593. PMC 1212469. PMID 5518507.

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