WHOLE-ARM RECIPROCAL TRANSLOCATION (WART) BETWEEN ROBERTSONIAN CHROMOSOMES - FINDING OF A ROBERTSONIAN HETEROZYGOUS MOUSE WITH KARYOTYPE DERIVED THROUGH WARTS

被引:35
作者
CAPANNA, E
REDI, CA
机构
[1] CNR,DIPARTIMENTO BIOL ANIM,I-27100 PAVIA,ITALY
[2] CNR,CTR STUDIO ISTOCHIM,I-27100 PAVIA,ITALY
[3] UNIV ROMA LA SAPIENZA,DIPARTIMENTO BIOL ANIM & UOMO,I-00161 ROME,ITALY
关键词
MOUSE; RECIPROCAL TRANSLOCATION; ROBERTSONIAN CHROMOSOME; SPECIATION;
D O I
10.1007/BF00710676
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The karyotype of a mouse trapped in a hybrid zone between a Robertsonian (Rb) population (2n = 22) and a population with the standard karyotype (2n = 40-all-telocentrics) shows two Rb chromosomes with new arm compositions. We suggest that whole-arm reciprocal translocations between Rb chromosomes gave rise to the new chromosome constitution and that such events can greatly help in understanding house mouse karyotype diversification and chromosomal speciation.
引用
收藏
页码:135 / 137
页数:3
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