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Dive into the research topics where Yasushi Takenouchi is active.

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Featured researches published by Yasushi Takenouchi.


The Japanese Journal of Genetics | 1974

A study of the chromosomes of thirty-four species of Japanese weevils (Coleoptera:Curculionidae)

Yasushi Takenouchi

The chromosomes of 34 Japanese weevils belonging to 13 subfamilies were investigated in male and/or female germ line cells using squash preparations with the exception of one species studied by sectioning. The results are summarised in Table 1. Excluding two species with Neo-XY, the other 32 species have an Xyp sex-determining mechanism.


The Japanese Journal of Genetics | 1955

A SHORT NOTE ON THE CHROMOSOMES IN THREE SPECIES OF THE BRUCHIDAE (COLEOPTERA)

Yasushi Takenouchi


The Japanese Journal of Genetics | 1958

Further Survey of the Chromosomes in Curculionid Weevils (Coleoptera)

Yasushi Takenouchi


Cytologia | 1969

A Further Study on the Chromosomes of the Parthenogenetic Weevil, Listroderes costirostris Schönherr, from Japan

Yasushi Takenouchi


The Japanese Journal of Genetics | 1968

A CHROMOSOME STUDY ON BISEXUAL AND PARTHENOGENETIC RACES OF SCEPTICUS INSULARIS ROELOFS (CURCULIONIDAE, COLEOPTERA)

Yasushi Takenouchi


The Japanese Journal of Genetics | 1970

A FURTHER CHROMOSOME STUDY IN BISEXUAL AND PARTHENOGENETIC RACES OF THE WEEVIL, CATAPIONUS GRACILICORNIS ROELOFS (CURCULIONIDAE: COLEOPTERA)

Yasushi Takenouchi


The Japanese Journal of Genetics | 1983

Genetic polymorphism and evolution in parthenogenetic animals.

Yasushi Takenouchi; Esko Suomalainen; Anssi Saura


Proceedings of the Japan Academy | 1976

On the Chromosomes of Parthenogenetic Curculionid Weevils in Japan

Yasushi Takenouchi


The Japanese Journal of Genetics | 1972

A CHROMOSOME STUDY ON TWO NEW JAPANESE PARTHENOGENETIC WEEVILS (COLEOPTERA: CURCULIONIDAE)

Yasushi Takenouchi


The Japanese Journal of Genetics | 1969

THE Xyyp SEX DETERMINING MECHANISM FOUND IN SCEPTICUS INSULARIS ROELOFS (CURCULIONIDAE: COLEOPTERA)

Yasushi Takenouchi

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Anssi Saura

University of Helsinki

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