2009, ISBN: 0217220398, Lieferbar binnen 4-6 Wochen

Internationaler Buchtitel. In englischer Sprache. Verlag: Cambridge Scholars Publishing, 472 Seiten, L=152mm, B=229mm, H=27mm, Gew.=685gr, Kartoniert/Broschiert, Klappentext: Purchase of … Plus…

Internationaler Buchtitel. In englischer Sprache. Verlag: Cambridge Scholars Publishing, 472 Seiten, L=152mm, B=229mm, H=27mm, Gew.=685gr, Kartoniert/Broschiert, Klappentext: Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: CHAPTER II THE PHYSICAL BASIS OF INHERITANCE "Gebt mir Materie, und ich will daraus eine Welt schaffen."?Kant. " We may regard the nucleus of the cell as the principal organ of inheritance" (a prophecy proved true).?Haeckel, Generelle Morphologic, 1866, vol. i. p. 288. " The cell is not only the seat of vital activity, but is also the vehicle of hereditary transmission; and the life of successive generations of living beings shows no breach of continuity, but forms a continuous vital stream in which, as Virchow said, rules an ' eternal law of continuity.' "? Wilson, 1900, p. 76. i. What is true in the Great Majority of Cases, 2. Diverse Modes of Reproduction. 3. The Hereditary Relation in Unicellular Organisms. 4. The Hereditary Relation in the Asexual Multiplica- tion of Multicellular Organisms. 5. Nature and Origin of the Germ-cells. 6. Maturation of the Germ-cells. 7. Amphimixis and the Dual Nature of Inheritance in Sexual Reproduction. 8. Inheritance in Parthenogenesis. 9. Wherein the Physical Basis precisely consists. i. What is true in the Great Majority of Cases The Inheritance is usually carried by the Germ-cells.? What was for so long quite hidden from inquiring minds, or but dimly discerned by a few, is now one of the most marvellous of biological commonplaces?that the individual life of the great majority of plants and animals begins in the union of two minute elements?the sperm-cell and the egg-cell. These microscopic individualities unite to form a new individuality, a potential offspring, which will by-and-by develop into a creature like to, and yet different from its parents. If we mean by inheritanceto include all that the living creature is or has to start with in virtue of its genetic relation...<