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Chromosomal polymorphism in Peromyscus polionotus. 脊灰半裂肌的染色体多态性。
Cytogenetics Pub Date : 1971-01-01
G A Te, W D Dawson
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引用次数: 0
Meiotic studies on a subfertile patient with a ring Y chromosome. 带环状Y染色体的低生育能力患者减数分裂研究。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130149
A C Chandley, P Edmond
{"title":"Meiotic studies on a subfertile patient with a ring Y chromosome.","authors":"A C Chandley, P Edmond","doi":"10.1159/000130149","DOIUrl":"https://doi.org/10.1159/000130149","url":null,"abstract":"An account is given of a subfertile male carrying a ring Y chromosome in his blood. Meiotic investigations revealed that the X and ring Y chromosome remained unpaired at diakinesis, and maturation arr","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 4","pages":"295-304"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130149","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16213873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 61
Isolation of aneusomic clones from Chinese hamster cell line following induction of nondisjunction. 不分离诱导中国仓鼠细胞系非染色体克隆的分离。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130160
H Kato, T H Yosida
{"title":"Isolation of aneusomic clones from Chinese hamster cell line following induction of nondisjunction.","authors":"H Kato, T H Yosida","doi":"10.1159/000130160","DOIUrl":"https://doi.org/10.1159/000130160","url":null,"abstract":"A brief exposure of cells to Colcemid induces chromosomal nondisjunction. Making use of this behavior, we isolated several trisomic as well as monosomic cell clones from a cloned pseudodiploid Chinese","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 6","pages":"392-403"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130160","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16257243","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 16
Chromosome structure and function in man. II. Provisional maps of the two smallest autosomes (chromosomes 21 and 22) at pachytene in the male. 人类染色体的结构和功能。2两个最小常染色体(染色体21和22)在男性粗线的临时地图。
Cytogenetics Pub Date : 1971-01-01
D A Hungerford, G U LaBadie, G B Balaban
{"title":"Chromosome structure and function in man. II. Provisional maps of the two smallest autosomes (chromosomes 21 and 22) at pachytene in the male.","authors":"D A Hungerford, G U LaBadie, G B Balaban","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 1","pages":"33-7"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16184475","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A pericentric inversion, 5 p-q+, and additional complex rearrangements in a case of cri-du-chat syndrome. 在cri-du-chat综合征的病例中，一个中心周围倒置，5p -q+和额外的复杂重排。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130126
A Catti, W Schmid
{"title":"A pericentric inversion, 5 p-q+, and additional complex rearrangements in a case of cri-du-chat syndrome.","authors":"A Catti, W Schmid","doi":"10.1159/000130126","DOIUrl":"https://doi.org/10.1159/000130126","url":null,"abstract":"A malformed girl presenting the typical clinical features of the cri-du-chat syndrome is described. Her karyotype contains three grossly abnormal chromosomes, a 5p–q+, a ring C and a 15q+. Formally, a minimum of six breaks is involved in the origin of this complex anomaly. Based on autoradiographic evidence, it is concluded that the cri-du-chat phenotype in this patient is due to a submicroscopical lesion in the distal segment of the short arm of the abnormal No. 5 chromosome; without noticeable loss of chromatin, a break involved in a pericentric inversion, 5p–q+ seems to have altered a chromosome section of crucial importance. Such an interpretation is supported by the reports of cri-du-chat cases with morphologically normal No. 5 chromosomes. The additional structural rearrangements in the child’s karyotype apparently did not affect his phenotype. Blood cultures from the child’s mother showed acentric fragments and ring chromosomes in 5.3% of 225 analyzed cells. Possible causes for this high aberration rate are discussed.","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 1","pages":"50-60"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130126","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16184476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
Size classes of the head and flagellum of Drosophila spermatozoa. 果蝇精子头部和鞭毛的大小分类。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130137
R. Beatty, P. Burgoyne
{"title":"Size classes of the head and flagellum of Drosophila spermatozoa.","authors":"R. Beatty, P. Burgoyne","doi":"10.1159/000130137","DOIUrl":"https://doi.org/10.1159/000130137","url":null,"abstract":"Among the different species and spermatozoan types of the genus Drosophila there is immense variation in the whole length of the spermatozoon (ca. 55 to 15,000 µ )","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 3 1","pages":"177-89"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130137","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64617195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 39
Assignment of linkage groups 8 and X to chromosomes in Mus musculus and identification of the centromeric end of linkage group I. 小家鼠染色体连锁群8和X的定位及连锁群I的着丝端鉴定。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130165
O J Miller, D A Miller, R E Kouri, V G Dev, M S Grewal, J J Hutton
{"title":"Assignment of linkage groups 8 and X to chromosomes in Mus musculus and identification of the centromeric end of linkage group I.","authors":"O J Miller, D A Miller, R E Kouri, V G Dev, M S Grewal, J J Hutton","doi":"10.1159/000130165","DOIUrl":"https://doi.org/10.1159/000130165","url":null,"abstract":"The mitotic chromosomes in primary embryonic cultured cells of eight translocation stocks of Mus musculus were identified by their distinctive fluorescent banding patterns after staining with quinacrine mustard. By correlation of cytologic and genetic information, linkage group (LG) X was assigned to chromosome 7 and LG VIII to chromosome 5. Several earlier assignments were confirmed: LG I to chromosome 8, LG V to chromosome 2, LG XII to chromosome 19, LG XIII to chromosome 1, and LG XVIII to chromosome 9. In addition, chromosomes 4, 17, and 18 were identified in translocations, but the available genetic data did not permit linkage-group assignments. The centromere of chromosome 8 was located at the nv (Nijmegen waltzer) end of LG I by the two-breakpoint method. The position of the centromere of chromosome 1 at the fz (fuzzy) end of LG XIII and that of chromosome 9 at the nr (nervous) end of LG XVIII were confirmed by the same method.","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 6","pages":"452-64"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130165","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16233342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
Apparent convergence of karyotypes in two species of pocket gophers of the genus Thomomys (Mammalia, Rodentia). 两种袋地鼠属(哺乳目，啮齿目)核型的明显趋同。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130121
D L Berry, R J Baker
{"title":"Apparent convergence of karyotypes in two species of pocket gophers of the genus Thomomys (Mammalia, Rodentia).","authors":"D L Berry, R J Baker","doi":"10.1159/000130121","DOIUrl":"https://doi.org/10.1159/000130121","url":null,"abstract":"Intraspecific variation in chromosome morphology is greater in two species of pocket gophers than within any other presently studied mammalian species. Diploid number varies only from 76 to 78. Therefore, the majority of the differences appear to be the results of pericentric inversions. These geographical chromosomal differences in Thomomys bottae and T. umbrinus are best explained as adaptations to habitat characteristics. Within both species, populations occurring in arid or shallow soil habitats have karyotypes characterized by a high number of acrocentrics, whereas populations in more favorable conditions have karyotypes composed entirely of metacentrics or submetacentric elements. These parallel trends suggest that the symmetry of the karyotype as a whole may have functional significance.","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 1","pages":"1-9"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130121","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16184474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 17
[Autoradiographic studies on X-autosomal translocation in man: 45,X.15-,tan(15qZq+)+]. [男性x常染色体易位的放射自显影研究:45,X.15-，tan(15qZq+)+]。
Cytogenetics Pub Date : 1971-01-01
W Engel, W Vogel, H Reinwein
{"title":"[Autoradiographic studies on X-autosomal translocation in man: 45,X.15-,tan(15qZq+)+].","authors":"W Engel, W Vogel, H Reinwein","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 2","pages":"87-98"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"16185113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chromosomal polymorphism in Peromyscus polionotus. 脊灰半裂肌的染色体多态性。
Cytogenetics Pub Date : 1971-01-01 DOI: 10.1159/000130142
G. Te, W. D. Dawson
{"title":"Chromosomal polymorphism in Peromyscus polionotus.","authors":"G. Te, W. D. Dawson","doi":"10.1159/000130142","DOIUrl":"https://doi.org/10.1159/000130142","url":null,"abstract":"Twenty-three oldfield mice, Peromyscus polionotus, representing six sources, were karyotyped. A structural polymorphism involving a moderately small pair of auto-somes was detected. This pair may be either acrocentric or bi-armed, resulting in karyograms showing 12, 12½, and 13 acrocentric pairs. The variation could be attributed to a single inversion widely distributed in the species. Minor structural variations in other autosomes also occurred. The karyotype of the F1 interspecific hybrid of P. maniculatus x P. polionotus was examined. The hybrid had an acro-centric:bi-armed chromosome ratio intermediate to the parent species.","PeriodicalId":78202,"journal":{"name":"Cytogenetics","volume":"10 4 1","pages":"225-34"},"PeriodicalIF":0.0,"publicationDate":"1971-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000130142","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"64616829","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 12
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