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Cytological studies on two differential development modes of the allogynogenetic silver crucian carp multiple tetraploid
Yang, Zhonh-An; Gui, Jian-Fang; Zhu, Lan-Fei; Liang, Shao-Chang; Jiang, Yi-Gui; Inst. Hydrobiol., Academia Sinica, Wuhan 430072, China
1994
Source PublicationActa Zoologica Sinica
ISSN0001-7302
Volume40Issue:1Pages:69-74
AbstractThe present paper reports different development modes in the eggs of the allogynogenetic silver crucian carp,which was found in the artificial breeding population of Carassius auratus gibelio ( female ) X Cyprinus carpio red variety ( male ). The development process of two groups, multiple tetraploid allogynogenetic silver crucian carp ( female ) X crucian carp (Carassius auratus gibelio) ( female )and multiple tetraploid allogynogenetic silver crucian carp( female ) X red carp ( male ), were observed. It was found that,in the 2nd group, the sperms of the red carp do not decondense and transform into a male pronucleus after having penetrated into the ovum of the multiple tetraploid allogynogenetic silver crucian carp (plate II ). That is a typical process of allogynogenesis. However, in the first group,the sperms of crucian carp have general process of decondensation formation of pronucleus and conjoint with the female pronucleus. It is so similar to the process of the amphimixis that We call it pseudoamphimixis temporarily (Plate I,) Moreover in the 1st group, it has been found in most seetions that some of chromosomes had been excluded outside when the most of chromosomes had been arranged at the equator of the spindle at midstage of the first cleavage of fertilized eggs. The mechanism of allogynogenesis in the eggs of multiple tetraploid allogynogenetic silver crucian carp is discussed.
Indexed By其他
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/17763
Collection期刊论文
Corresponding AuthorInst. Hydrobiol., Academia Sinica, Wuhan 430072, China
Recommended Citation
GB/T 7714
Yang, Zhonh-An,Gui, Jian-Fang,Zhu, Lan-Fei,et al. Cytological studies on two differential development modes of the allogynogenetic silver crucian carp multiple tetraploid[J]. Acta Zoologica Sinica,1994,40(1):69-74.
APA Yang, Zhonh-An,Gui, Jian-Fang,Zhu, Lan-Fei,Liang, Shao-Chang,Jiang, Yi-Gui,&Inst. Hydrobiol., Academia Sinica, Wuhan 430072, China.(1994).Cytological studies on two differential development modes of the allogynogenetic silver crucian carp multiple tetraploid.Acta Zoologica Sinica,40(1),69-74.
MLA Yang, Zhonh-An,et al."Cytological studies on two differential development modes of the allogynogenetic silver crucian carp multiple tetraploid".Acta Zoologica Sinica 40.1(1994):69-74.
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