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Macro- and Microchromosomes B in Females of Astyanax scabripinnis (Pisces, Characidae)

✍ Scribed by Sônia Maria Hiromi Nakagawa Mizoguchi; Isabel Cristtna Martins-Santos


Book ID
114809986
Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
534 KB
Volume
127
Category
Article
ISSN
0018-0661

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Occurrence of macro B chromosomes inAsty
✍ E. L. Maistro; F. Foresti; C. Oliveira; L. F. Almeida Toledo 📂 Article 📅 1992 🏛 Springer Netherlands 🌐 English ⚖ 391 KB

B chromosomes occur in several Neotropical fish species. Cytogenetic analysis of 27 specimens (15 females and 12 males) of Astyanax scabripinnis paranae from the Araqufi river (a small headwater tributary of the Tiet6 river) shows that this population has 2n = 50 chromosomes (4M + 30 SM + 4ST + 12A)