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ID 315
本文ファイル
著者
Nishioka, Midori
NDC
動物学
抄録(英)
The linkages among six enzyme loci, SORDH, MPI, ENO, HK, Pep-B and LDH-B, situated on chromosome No. 4 were analyzed in order to examine the differences in recombination rates between males and females. Mating experiments were conducted by using heterozygous females or males of Rana brevipoda and Rana nigromaculata, heterozygous females of interspecific hybrids between R. nigromaculata and R. brevipoda and those between Rana plancyi chosenica and R. nigromaculata. The recombination rates among the loci controlling six enzymes located on chromosome No. 4 were found to be large in females when the frogs were pure species, while they became smaller when the frogs were hybrids. The recombination rates were almost zero in males in contrast to females. They had no relation to the existence of the sex-determining genes on the chromosomes of the species used in the present study. The differences in the recombination rates seemed to be attributable to that in the number of chiasmata. When the number of chiasmata became smaller, the recombination rates also became smaller, and in male frogs they seemed to approach zero. Thus, the present study showed that it may be better to use heterozygous males for the purpose of assuming the kinds of genes on specific chromosome. However, it may be better to use heterozygous females in order to clarify the mutual positions of loci on the same chromosome.
掲載誌名
Scientific report of the Laboratory for Amphibian Biology
13巻
開始ページ
99
終了ページ
136
出版年月日
1994-12
出版者
Institute for Amphibian Biology, Hiroshima University
寄与者
国立情報学研究所
作成年月日
2006-03-21
ISSN
0386-3166
NCID
SelfDOI
言語
英語
NII資源タイプ
紀要論文
広大資料タイプ
学内刊行物(紀要等)
DCMIタイプ
text
フォーマット
application/pdf
著者版フラグ
publisher
部局名
理学研究科
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