Abstract
Karyotype and G-binding of the Pallisentis(Neosentis) celatus in the Monopterus albus were identified for the first time by using air drying method and pancreatin digestion.Results showed that in Pallisentis(Neosentis) celatus,there are three pairs of metacentric chromosomes and a pair of sex chromosomes.Number 1,Number 3 and X chromosome.Number 2 are submetacentric.The Y is the only telocentric chromosome.The karyotype formula is 2n=5m+2sm+1t.The sex determining mechanism is of the XX-XY type.Every pair of chromosomes had their particular G-banding pattern.
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