期刊
COMPARATIVE CYTOGENETICS
卷 7, 期 2, 页码 153-161出版社
ZOOLOGICAL INST
DOI: 10.3897/CompCytogen.v7i2.4881
关键词
Sauna; Gekkota; karyotype; chromosomal evolution; telomeric repeats; XY male heterogamety
资金
- Progetti di Ricerca, Universita di Roma La Sapienza
The karyotype of a sphaerodactylid gecko Euleptes europaea (Gene, 1839) was assembled for the first time in this species. It is made of 2n = 42 gradually decreasing in size chromosomes, the highest chromosome number so far acknowledged in the family Sphaerodactylidae. The second chromosome pair of the karyotype appears slightly heteromorphic in the male individual. Accordingly, FISH with a telomeric probe revealed an uneven distribution of telomeric repeats on the two homologues of this pair, which may be indicative of an XY sex-determination system in the species, to be further investigated.
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