Researchers aren't sure whether chromosomes maintain their place in the nucleus through mitosis or get lost in the shuffle. Biochemist Wendy Bickmore says it's the latter. Last March, two German research teams reached opposite conclusions about the heritability of chromatin organization – where chromosomes are within the nucleus and in relation to each other.
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Now Bickmore and colleagues in the Medical Research Council's Human Genetics Unit, Edinburgh, say that chromosomes, in fact, reestablish arrangement during G1.
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