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Genetica
Article
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eScholarship - University of California
Article . 1983
Data sources: eScholarship - University of California
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Genetica
Article . 1983 . Peer-reviewed
License: Springer TDM
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https://dx.doi.org/10.1007/bf0...
Article
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Chromosomes of five species of sea-skater (Gerridae-Heteroptera)

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1983 United States English Publisher:Springer Science and Business Media LLCJournal:Genetica, volume 61, pages 215-217 (issn: 0016-6707, eissn: 1573-6857, Copyright policy )
Authors: Newman, L. J.; Cheng, L.;

doi: 10.1007/bf00123725

Chromosomes of five species of sea-skater (Gerridae-Heteroptera)

Abstract

We report here the first chromosome numbers for sea-skaters. Meiotic metaphase figures were obtained from the testes of three littoral species: Asclepios shiranui, Halobates flaviventris and H. robustus and two pelagic species: H. germanus and H. micans. In the four species of Halobates 2nd♂=31, the highest chromosome number so far determined for the Gerridae. In a proposed ancestral form, A. shiranui, 2n♂=23. Males of all five species have an unpaired chromosome, assumed to be the X chromosome of an XO sex chromosome system.

Country
United States
Related Organizations
Keywords

insect chromosomes, water-striders, sea-skaters, Halobates, marine insects, Gerridae, heteroptera

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
Green
bronze