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THE ANATOMY AND FUNCTION OF A SEGMENT OF THE X CHROMOSOME OF DROSOPHILA MELANOGASTER
Abstract
An average size chromomere of the polytene X chromosome of Drosophila melanogaster contains enough DNA in each haploid equivalent strand to code for 30 genes, each 1,000 nucleotides long. We have attempted to learn about the organization of chromosomes by asking how many functional units can be localized within a chromomere. This was done by 1) recovery of mutants representative of every cistron in the 3A2-3C2 region; 2) the characterization of the function of each mutant type and grouping by complementation tests; 3) the determination of the genetic and cytological position of each cistron by recombination and deletion mapping. The data clearly show one functional group per chromomere. It is postulated that a chromomere is one cistron within which much of the DNA is regulatory in function.
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Cited by
Jackson, G. R., Wiedau-Pazos, M., Sang, T.-K., Wagle, N., Brown, C. A., Massachi, S., & Geschwind, D. H. (2002) · Neuron · doi:10.1016/s0896-6273(02)00706-7 · Cited by 488
Organization, Transcription, and Regulation in the Animal Genome
Davidson, E. H., & Britten, R. J. (1973) · The Quarterly Review of Biology · doi:10.1086/407817 · Cited by 451
Scalenghe, F., Turco, E., Edström, J. E., Pirrotta, V., & Melli, M. (1981) · Chromosoma · doi:10.1007/bf00286105 · Cited by 342
Rinchik, E. M., Carpenter, D. A., & Selby, P. B. (1990) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.87.3.896 · Cited by 118
Metadata
- Authors
- Judd, B. H., Shen, M. W., & Kaufman, T. C.
- Venue
- Genetics
- Publisher
- Oxford University Press (OUP)
- Published
- 1972-05-01
- Volume
- 71
- Issue
- 1
- Pages
- 139-156
- ISSN
- 0016-6731 (ISSN-L)
- 1943-2631
- OpenAlex
- W1882251974
- Cited by
- 356
- References
- 0
- FWCI
- 13.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: THE ANATOMY AND FUNCTION OF A SEGMENT OF THE X CHROMOSOME OF DROSOPHILA MELANOGASTER. https://app.cochat.ai/papers/10.1093/genetics/71.1.139
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- Judd, B. H., Shen, M. W., & Kaufman, T. C. (1972). THE ANATOMY AND FUNCTION OF A SEGMENT OF THE X CHROMOSOME OF DROSOPHILA MELANOGASTER. Genetics. https://doi.org/10.1093/genetics/71.1.139
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
