Karyology of the Cyprinodontoid fishes of the Mexican family Goodeidae
By Uyeno, Teruya, R.R. Miller, J.M. Fitzsimons
Copeia, 1983(2):497-510 06-May-1983
" Karyotypes from 60 populations classified in 17 genera and 35 species of Mexican fishes of the autochthonous family Goodeidae vary from 24 metacentric to 48 subtelocentric-telocentricchromosomes in the diploid complement. About two-thirds of the family have 2n = 48 with terminal or near-terminal centromere positions, a condition regarded as ancestral for goodeids. Reduction of chro- mosome number has occurred solely by the formation of metacentric elements by Robertsonian fusion of pairs of (probably subtelocentric or acrocentric) chromosomes. It is not possible to determine relationships of the Goodeidae totally on the basis of karyotypes "
Classification: Genes and genetics.
Language: English
Reference in bibliography for genera (17)
Reference in bibliography for species (33)
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Uyeno, Teruya & R.R. Miller, J.M. Fitzsimons. 1983. "Karyology of the Cyprinodontoid fishes of the Mexican family Goodeidae". Copeia. 1983(2):497-510 (ffm00831) (abstract)