Triploidy in parthenogenetic Chinese Helophorus aquilaAngus et al., 2014
Robert B. Angus, Fenglong Jia
TL;DR
A female paratype of the Chinese Helophorus aquila beetle was found to have a triploid nucleus with 32 chromosomes.
Contribution
The paper reports the first observation of triploidy in the species Helophorus aquila.
Findings
A slide revealed a triploid nucleus with 32 chromosomes in a female H. aquila beetle.
One chromosome was likely lost during slide preparation.
Abstract
Checking old unphotographed slides of chromosome preparations in the possession of R.B.A. revealed one slide labelled “frater ♀7g 6/6/13 ✓”. The beetle with these data is a female paratype of H. aquila Angus et al., in the general collection of the Natural History Museum, London. One almost complete dividing nucleus was found, with 32 chromosomes, indicating a triploid nucleus with one chromosome lost in the course of preparation of the slide.
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Taxonomy
TopicsForest Ecology and Biodiversity Studies · Chromosomal and Genetic Variations · Protist diversity and phylogeny