| 书目名称 | The Chromosome Complement | | 编辑 | B. John,K. R. Lewis | | 视频video | | | 丛书名称 | Protoplasmatologia‘ Cell Biology Monographs | | 图书封面 |  | | 描述 | material can serve both autocatalytic and heterocatalytic functions. Thus not only is it unique in itB capacity for self-replication but its base sequence determines the specificity of proteins. And enzyme proteins are immediately responsible for the peripheral metabolism which enables the organism to impose its own kind of order on the raw materials it absorbs. The course of development is determined not only by the nature of the genetic material but by its over-all amount and the relative frequency of the different functional units. Differential rates of epigenetic activity matter also. In theory, therefore, differential development within or even between individuals could be determined by the differential replication of the various genetic elements or by their differential activity. And further variation could arise by the differential transmission of these elements between cells. Indeed it would appear that all these possibilities are exploited by living systems. If like is to beget like, however, any genetic change which occurs during development must be undone, or else germinal units preserved from change must be set aside. As far as is known, genetic changes, even those invo | | 出版日期 | Book 1968 | | 关键词 | DNA; Viruses; chromosome; evolution; mutation; tissue | | 版次 | 1 | | doi | https://doi.org/10.1007/978-3-7091-5781-7 | | isbn_softcover | 978-3-211-80881-8 | | isbn_ebook | 978-3-7091-5781-7 | | copyright | Springer-Verlag/Wien 1968 |
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发表于 2025-3-21 16:59:38
