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Volume 60, Issue 4
Displaying 1-9 of 9 articles from this issue
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Akira KATO, Satoshi MATSUBARA, Yasuji SAITO1984 Volume 60 Issue 4 Pages 65-68
Published: 1984
Released on J-STAGE: October 10, 2006
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Sakae KIKUYAMA, Takehisa ISHII, Tetsuya KOBAYASHI, Kazutoshi YAMAMOTO1984 Volume 60 Issue 4 Pages 69-72
Published: 1984
Released on J-STAGE: October 10, 2006
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Akira MATSUMOTO, Satoru KOBAYASHI, Shizuko MURAKAMI, Yasumasa ARAI1984 Volume 60 Issue 4 Pages 73-76
Published: 1984
Released on J-STAGE: October 10, 2006
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Bradybaenidae, GastropodaReiko TATEWAKI, Jin-ichi KITADA1984 Volume 60 Issue 4 Pages 77-80
Published: 1984
Released on J-STAGE: October 10, 2006
JOURNAL FREE ACCESSSomatic chromosomes of two species in the genus Euhadra were observed using the air-drying methods supplying abundance of mitotic cells. The diploid numbers of E. dixoni and E. subnimbosa are confirmed to have 56 in each case. E. subnimbosa bears 21 pairs of metacentric and 7 pairs of submetacentric elements, while E. dixoni has 19 pairs of metacentric and 9 pairs of submetacentric chromosomes. They not only show the same fundamental number NF=112, but also have a secondary constriction in the approximal chromosomal position and in the same sized metacentric pairs. Consequently, the minor karyotypical difference found in the two suggests a close similarity cytologically, though they bear morphological differences.View full abstractDownload PDF (557K) -
Mitsuharu MIYAWAKI, Takanori TSURUDA1984 Volume 60 Issue 4 Pages 81-84
Published: 1984
Released on J-STAGE: October 10, 2006
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Prasanna KUMARI, Nimmakayalu V. ASWATHANARAYANA, Tosihide H. YOSIDA1984 Volume 60 Issue 4 Pages 85-87
Published: 1984
Released on J-STAGE: October 10, 2006
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Translocation between Pair Nos. 4 and 7 occurred in a WM Strain Rat after γ-Irradiation, with Special Regard to the Segregation in F1 Hybrids involving an XYY MaleTosihide H. YOSIDA1984 Volume 60 Issue 4 Pages 88-91
Published: 1984
Released on J-STAGE: October 10, 2006
JOURNAL FREE ACCESSA male WM strain rat with 4/7 translocation was obtained in the offspring born after γ-irradiation. The male with translocation was mated to the normal females, and 14 offspring was obtained. They were segregated to the translocation heterozygotes (7) and the non-translocation rats (7) as just expected. Among the latter rats, one had the XYY sex chromosomes which were suggested to be developed by non-disjunction of the Y element in the meiosis of the translocation male parent.View full abstractDownload PDF (385K) -
Tetsuji KADOTANI, Yoko WATANABE, Kunihiko SAWANO1984 Volume 60 Issue 4 Pages 92-94
Published: 1984
Released on J-STAGE: October 10, 2006
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Masami HASEGAWA, Taka-aki YANO, Hirohisa KISHINO1984 Volume 60 Issue 4 Pages 95-98
Published: 1984
Released on J-STAGE: October 10, 2006
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