NATURAL TRIPLOIDY AND B-CHROMOSOMES IN THE NEOTROPICAL FISH GENUS ASTYANAX (CHARACIDAE)

被引：0

作者：

FAUAZ, G ^{[1
]}

VICENTE, VE ^{[1
]}

MOREIRA, O ^{[1
]}

机构：

[1] UNIV FED SAO CARLOS,DEPT GENET & EVOLUCAE,CAIXA POSTAL 676,BR-13560905 SAO CARLOS,SP,BRAZIL

来源：

REVISTA BRASILEIRA DE GENETICA | 1994年 / 17卷 / 02期

关键词：

D O I：

暂无

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

Two species of the genus Astyanax were studied cytogenetically using standard staining and C banding: 30 specimens of A. eigenmanniorum and 74 specimens of A. scabripinnis. The karyotype of A. eigenmanniorum and the identification of three cases of natural triploidy (a male and a female of A. eigenmanniorum and a female of A. scabripinnis) are presented. Two supernumerary metacentric chromosomes, corresponding in size to the first pair, were also observed in the A. scabripinnis triploid specimen.

引用

页码：157 / 163

页数：7

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