Late DNA Replication in Male Mouse Meiotic Chromosomes
- 20 February 1970
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 167 (3921) , 1133-1134
- https://doi.org/10.1126/science.167.3921.1133
Abstract
Parts of the male mouse meiotic complement comprising the Y chromosome, the whole X chromosome, and near-centromeric parts of autosomal bivalents are synthesized late, as judged by tritiated thymidine autoradiography. This confirms the occurrence of end-to-end association between X and Y chromosomes and suggests that paired heterochromatic segments in autosomes must synthesize DNA at the same time.Keywords
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