CYTOLOGIA
Online ISSN : 1348-7019
Print ISSN : 0011-4545
Helixen and Actants
III. Chromosome as an inevitable form for long DNA separation
Y. N. SinotôY. Sinotô
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JOURNAL FREE ACCESS

1970 Volume 35 Issue 4 Pages 513-526

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Abstract

1. The separation of DNA as a double primary relational helixen seems more naturally explained by the reeling hypothesis than by the unwinding hypothesis.
2. The separation of chromosome as a double multicoiled helixen could be shown by its mathematical model and visualized by the aid of an electronic computer system.
3. The replication of DNA (Fig. 15a) may be explained as follows:
a. Breaking of the bonds in the original double strands of DNA (Fig. 15b). b. While the two parent strands remain relational, daughter strands will be created along the parent strands (Fig. 15b, c), so that each pair of the parent-daughter strands thus formed is parallel, though the two parentdaughter strands are relational with each other (Fig. 15c). c. Then by reeling in, each pair of the parent-daughter strands (Fig. 15c) becomes relational (Fig. 15d, d'), and at the same time, such two parent-daughter strands become parallel with each other (Fig. 15 d, d'). d. Hence, two newly-created parentdaughter strands: two DNA's, each consisting of a double primary relational helixen, are separated without so-called unwinding (Fig. 15d, d').
4. A chromosome consisting of a densely packed multicoiled DNA may be an inevitable form for long DNA separation, instead of the elongated form.

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© The Japan Mendel Society
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