期刊
SEXUAL DEVELOPMENT
卷 4, 期 1-2, 页码 88-103出版社
KARGER
DOI: 10.1159/000289578
关键词
Comparative method; Female heterogamety; Genetic sex determination; Homology; Lizard; Male heterogamety; Reptile; Sex chromosomes; Temperature-dependent sex determination
资金
- National Institute of Dental & Craniofacial Research [T32DE007288]
- NATIONAL INSTITUTE OF DENTAL &CRANIOFACIAL RESEARCH [T32DE007288] Funding Source: NIH RePORTER
Geckos are a species-rich clade of reptiles possessing diverse sex determining mechanisms. Some species possess genetic sex determination, with both male and female heterogamety, while other species have temperature-dependent sex determination. I compiled information from the literature on the taxonomic distribution of these sex determining mechanisms in geckos. Using phylogenetic data from the literature, I reconstructed the minimum number of transitions among these sex determining mechanisms with parsimony-based ancestral state reconstruction. While only a small number of gecko species have been characterized, numerous changes among sex determining mechanisms were inferred. This diversity, coupled with the high frequency of transitions, makes geckos excellent candidates as a model clade for the study of vertebrate sex determination and evolution. Copyright (C) 2010 S. Karger AG, Basel
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