Journal
COMPARATIVE CYTOGENETICS
Volume 7, Issue 2, Pages 153-161Publisher
ZOOLOGICAL INST
DOI: 10.3897/CompCytogen.v7i2.4881
Keywords
Sauna; Gekkota; karyotype; chromosomal evolution; telomeric repeats; XY male heterogamety
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Funding
- Progetti di Ricerca, Universita di Roma La Sapienza
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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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