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Tracking a distal region of Bd1 short arm (green) at different stages of meiosis and mitotic metaphase using chromosome painting with a BAC pool containing 40 clones spanning 19.5 Mbp. The ideogram next to the photographs indicates the approximate physical position of the pool on the chromosome. CEN = centromere. a zygotene; b pachytene; c diplotene; d diakinesis; e meiotic metaphase I; f mitotic metaphase. All chromosomes were counterstained with DAPI. Bars = 5 μm
