The Japanese Journal of Genetics

Online ISSN : 1880-5787
Print ISSN : 0021-504X
ISSN-L : 0021-504X

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Volume 10, Issue 2

Displaying 1-7 of 7 articles from this issue

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The Genetics of Ornamental Plants, with Special Reference to Anthocyanin Variegation. (continued from p. 77., to be continued.)

Benso KANNA

1934 Volume 10 Issue 2 Pages 101-114
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.101

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Chromosomal Variations in the Spermatogenesis of a Grasshopper, Locusta danica Linnaeus (Orthoptera)

H. ITOH

1934 Volume 10 Issue 2 Pages 115-134
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.115

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In the study of the chromosomes in Locusta danica L., one of the commonest Acridian insects, I have found chromosomal variations, due to the presence of from one to four extra chromosomes beyond the type number of the species; these are assumed to be due to the fragmentation of original chromosomes. Different numbers of fragments appear simultaneously within the same individual at mitosis and meiosis. Such numerical ariations of chromosomes in the germ line have been found in every individual collected by me in Hokkaido. But I can not determine whether the variations are a genetical character of this species or whether the abnormal phenomena accidentally occur in the individuals which were examined, since they are too few. Consequently the present paper is confined to a brief account in regard to the behavior of the extra chromosomes in meiosis.

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Zytologische Untersuchungen am Seidenspinner und seiner Verwandten

II. Spermatogenese bei Antheraea yamamai Guérin, Antheraea perniyi Guérin und ihren Bastarden

Eisaku KAWAGUCHI

1934 Volume 10 Issue 2 Pages 135-151
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.135

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Seit 1926 wurden zwei wilde Seidenspinnerarten, Antheraca yamamai und Anth. pernyi, am Ende jeder Frühlingszucht miteinander gekreuzt und die F₁-Bastarde im Sommer gezüchtet.

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A POLYPLOID SERIES IN HOSTA

Yoshitaka IMAI, Benso KANNA

1934 Volume 10 Issue 2 Pages 152-154
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.152

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CHIASMA STUDIES IN PLANTS, I. CHROMOSOME PAIRING AND CHIASMA BEHAVIOUR IN ALLIUM MOLY

Dyûhei SATO

1934 Volume 10 Issue 2 Pages 155-159
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.155

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INTERGENRA HIBRIDIGO EN CICHORIEAE

I. HIBRIDOJ DE Crepis capillaris KAJ Taraxacum platycarpum

Y. SINOTO, H. ONO

1934 Volume 10 Issue 2 Pages 160-164
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.160

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THE GLOBOSE CHARACTER OF THE JAPANESE MORNING GLORY IN CONNECTION WITH THE IMPROVEMENT OF ITS FLOWER SIZE

Yoshitaka IMAI

1934 Volume 10 Issue 2 Pages 165-167
Published: 1934
Released on J-STAGE: November 30, 2007

DOIhttps://doi.org/10.1266/jjg.10.165

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