doi: 10.1007/BF01538735.
Replication of human chromosomes in human-mouse hybrids: evidence that the timing of DNA synthesis is determined independently in each human chromosome
- PMID: 1235898
- DOI: 10.1007/BF01538735
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Replication of human chromosomes in human-mouse hybrids: evidence that the timing of DNA synthesis is determined independently in each human chromosome
Somatic Cell Genet.
1975 Jan.
Abstract
The terminal phase of DNA replication was studied by autoradiography in hybrids between human lymphocytes and mouse fibroblasts. The hybrids contained on the average only 11 human chromosomes. It was found that the sequence of terminal DNA replication for the human chromosomes in the hybrids was the same as the sequence of terminal replication for the corresponding chromosomes in the human lymphocytes. Furthermore, it was shown that the maintenance of the normal terminal replication sequence of the human chromosomes in the hybrids was not dependent on the presence of any specific human chromosome. The results suggest that the timing of terminal DNA replication is determined independently in each human chromosome.
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