| [probable origin of the robertsonian phenomena in domestic mice in tunisia]. | the robertsonian phenomenon in house mice (mus musculus domesticus) from tunisia consists in the presence of only one 22-chromosome robertsonian race (22rb) carrying the maximum number of fusions observed until now. the 22rb populations exclusively occupy urban centers in the eastern-central region of tunisia where standard population with 40-all acrocentric chromosomes (40std) occur in surrounding neighborhoods and rural environments. in addition to the habitat partition, allozyme and mitochond ... | 2001 | 14658237 |