Kern- und Zellteilung

The Chromosome Complement

Authors: John, Bernard, Lewis, Kenneth R.

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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 involving only quantity or relative amounts, are reversible to only a very limited extent so that a change once done cannot be undone. Consequently genetic changes during the development of presumptive germ-lines are either nonĀ­ existant or minor and confined to a small class of un aggregated deterĀ­ minants.

Table of contents (1 chapters)

Table of contents (1 chapters)

Buy this book

eBook $84.99
price for USA in USD (gross)
  • ISBN 978-3-7091-5781-7
  • Digitally watermarked, DRM-free
  • Included format: PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Softcover $109.00
price for USA in USD
  • ISBN 978-3-211-80881-8
  • Free shipping for individuals worldwide
  • Usually dispatched within 3 to 5 business days.
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Bibliographic Information

Bibliographic Information
Book Title
The Chromosome Complement
Authors
Series Title
Kern- und Zellteilung
Series Volume
6 / A
Copyright
1968
Publisher
Springer-Verlag Wien
Copyright Holder
Springer-Verlag/Wien
eBook ISBN
978-3-7091-5781-7
DOI
10.1007/978-3-7091-5781-7
Softcover ISBN
978-3-211-80881-8
Edition Number
1
Number of Pages
IV, 210
Topics