Physiology of Polyploids
- 1 January 1980
- book chapter
- Published by Springer Nature
- Vol. 13, 61-75
- https://doi.org/10.1007/978-1-4613-3069-1_4
Abstract
A number of facts suggest that the multiplication of the genome has played an important role in the evolution of all major phylogenetic groups (1–4). Multiplication might be achieved either by an increase of the DNA/chromosome ratio (cryptic Polyploidy) or by the doubling of the entire chromosome complement (conventional Polyploidy), the latter being widespread in higher plants. Polyploidy has been found in at least 30% of the genera of flowering plants. Moreover, it has been suggested that most genera of flowering plants with a basic gametic chromosome number of 12 or more are the product of an ancient Polyploidy (4).Keywords
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