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Genetics Summary for Brachygalaxias gothei
 Main ref.
 Country
 Chile
 Locality/Yr.
 Chile
 Sex.
 mixed
 Chromosome number
 Haploid/gametic (n) :
 Ref.
   
 
 Diploid/zygotic (2n) : 40 - 40
 Ref.
 Chromosome Type
 
 Ref.
 Metacentric
 12
 Subtelocentric
 
 MetaSubmetacentric
 
 Submetacentric
 6
 Telocentric/Acrocentric
 22
 Subtelo-Acrocentric
 
 Chromosome arm no.
 58
 Ref.
 Sex determining mechanism
 
 Ref.
   
 DNA Content (haploid)
 
 Ref.
   
 Genetic markers
  No
 Ref.
   
 Remarks
 Chromosomes with 9 biarmed and 11 monoarmed pairs. Has a c-band only in pairs 1,2,6,9,16,17, 18. A secondary constriction is present in the short arm of the pair 8. Heteromorphic sex chromosomes were not detected. The c-banded karyotype shows constitutive heterochromatin in the pericentromeric region of the chromosome pairs number 1,2,18 in both males and females. Intensity of marked bands less marked in pair 1, 18. Thin heterochromatic bands can be discerned at some telomeres, especially in pairs 6,9,16,17,18. The active AgNOR were not detected in the chromosomes.
 Ref.
   
Glossary

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