Usuario:Sanador2.0/NOR
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| Especie | Número de cromosomas |
|---|---|
| Mosca de la fruta (Drosophila melanogaster) | 8 |
| Centeno (Secale cereale) | 14 |
| Ratón (Mus musculus) | 40 |
| Trigo (Triticum aestivum) | 42 |
| Rata (Rattus rattus) | 42 |
| Humano (Homo sapiens sapiens) | 46 |
| Patata, Papa (Solanum tuberosum) | 48 |
| Dinoflagelado Oxyrrhis marina | 12 a 100 |
| Maíz Zea mays | 20 |
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| Especie | Número del cromosoma portador de NOR |
|---|---|
| Mosca de la fruta (Drosophila melanogaster) | Y y X |
| Centeno (Secale cereale) | 1Rs |
| Ratón (Mus musculus) | 12, 15, 19 |
| Trigo (Triticum aestivum) | 1Bs y 6Bs |
| Humano (Homo sapiens sapiens) | 13, 14, 15, 21, 22 |
| Pimienta, (Capsicum annuum L.) | 11 |
| Maíz Zea mays | 6 |
J. P. GUSTAFSON 1990 Physical mapping of a low-copy DNA sequence in rye (Secale cereale L.) Proc. Nati. Acad. Sci. USA Vol. 87, pp. 1899-1902, March 1990
J Britton-Davidian1, B Cazaux1 and J Catalan Chromosomal dynamics of nucleolar organizer regions (NORs) in the house mouse: micro-evolutionary insightsHeredity (2012) 108, 68–74
- This distribution identified six chromosomes (11, 12, 15, 16, 18 and 19) as carrying major NORs in M. musculus
- M. m. domesticus (DOM) 12, 15, 16, 18, 19
- All of them were autosomal and centromerically located except in DOM where rRNA genes were located at the distal ends of :chromosomes 4 and 13
- M. m. musculus (MUS) 11, 12, 15, 16, 19
- 16 NOR-bearing chromosomes and 18 NOR sites in M. musculus