食蚊鱼双性/单性物种的细胞遗传学。五、来自墨西哥东北部具有异常核型的单性食蚊鱼科鱼类
Cytogenetics of bisexual/unisexual species of Poecilia. V. Unisexual poeciliids with anomalous karyotypes from northeastern Mexico.
作者信息
Sola L, Rossi A R, Bressanello S, Rasch E M, Monaco P J
机构信息
Dipartimento di Biologia Animale e dell'Uomo, Università di Roma La Sapienza, Italy.
出版信息
Cytogenet Cell Genet. 1993;63(3):189-91. doi: 10.1159/000133531.
PMID:8485995
Abstract
Unisexual poeciliid fishes collected from two localities in the Soto la Marina drainage have been analyzed. Unisexual diploid and triploid specimens with anomalous karyotypes were found among karyotypically normal specimens. Chromosomal data are discussed in light of the origin of clonal diversity in unisexual/bisexual breeding complexes and with regard to the role of triploids in these breeding complexes.
摘要
对从索托拉马里纳河排水系统两个地点采集的单性花鳉科鱼类进行了分析。在染色体核型正常的标本中发现了具有异常核型的单性二倍体和三倍体标本。根据单性/两性繁殖复合体中克隆多样性的起源以及三倍体在这些繁殖复合体中的作用，对染色体数据进行了讨论。
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