Tanuja, M. T. ; Ramachandra, N. B. ; Ranganath, H. A. (1999) Evolution of a new chromosomal lineage in a laboratory population of Drosophila through centric fission Journal of Biosciences, 24 (4). pp. 421-426. ISSN 0250-5991
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Official URL: http://www.ias.ac.in/jbiosci/october1999/contents....
Related URL: http://dx.doi.org/10.1007/BF02942651
Abstract
Structural rearrangements of chromosomes have played a decisive role in the karyotypic evolution of species. It is also known that inversions, translocations, fusions, fissions, heterochromatin variations and other chromosomal changes occur as transient events in natural populations. Herein we report the occurrence of a rare event of centric fission of a metacentric chromosome in a laboratory population of Drosophila, called Cytorace 1. This centric fission has been fixed in a sub-population of Cytorace 1, resulting in a new chromosomal lineage called Fissioncytorace-1.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Indian Academy of Sciences. |
| Keywords: | Drosophila; Chromosomes; Karyotypes; Fission; Evolution |
| ID Code: | 41681 |
| Deposited On: | 30 May 2011 14:10 |
| Last Modified: | 30 May 2011 14:10 |
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