期刊
AMPHIBIA-REPTILIA
卷 29, 期 4, 页码 487-504出版社
BRILL
DOI: 10.1163/156853808786230424
关键词
Armenia; diploid; hybrid zone; lizards; triploid and tetraploid individuals
类别
A unique hybridization zone of rock lizard species of genus Darevskia, with diploid (2n), triploid (3n) and tetraploid (4n) individuals, occurs in the mountain steppe of central Armenia. Our long-term monitoring has showed an increasing birth rate of triploid hybrids in this mixed population. Among these hybrids, the frequency of captured males with fully developed reproductive systems and presumably fertile females also increased significantly. Consequently, intensive microevolution has taken place in this sympatric population. The morphological, ecological, cytological, histological, and parasitological characteristics of the hybrid Darevskia are presented here and compared with parental species.
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