Results 201 to 210 of about 27,197 (240)
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1980
There is evidence supporting a concept of polyploid evolution in a number of groups of fungi. These typically have dominant diploid phases in their life-histories. There are a number of reports of suspected polyploidy in other fungi, but these should be considered speculative at this time.
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There is evidence supporting a concept of polyploid evolution in a number of groups of fungi. These typically have dominant diploid phases in their life-histories. There are a number of reports of suspected polyploidy in other fungi, but these should be considered speculative at this time.
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1980
Since Polyploidy has been recognized as a widespread and common phenomenon among eukaryotes, particularly higher plants, biologists have been interested in possible causal connections between Polyploidy and distribution, and have tried to present relevant generalizations and “rules.” A quick historical survey of this topic takes us back to the first ...
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Since Polyploidy has been recognized as a widespread and common phenomenon among eukaryotes, particularly higher plants, biologists have been interested in possible causal connections between Polyploidy and distribution, and have tried to present relevant generalizations and “rules.” A quick historical survey of this topic takes us back to the first ...
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Polyploidy, Plants, and Electrophoresis
1980Investigations of polyploidy using electrophoresis are at present severely limited by several areas of difficulty which limit all applications of this technique. The technical problems inherent in electrophoresis of plants, namely extraction of active extracts and maximizing resolution of electrophoretic variants through investigation of gel and ...
B, Carr, G, Johnson
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Polyploidy in Insect Evolution
1980Of all living organisms insects are the group with the highest number of existing species. It is, of course, true that a fraction of the total number of insects has been cytologically studied. Polyploid forms are rare exceptions among them. Polyploidy in insects is always associated with the parthenogenetic mode of reproduction.
J, Lokki, A, Saura
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Polyploidy and community structure
Nature Microbiology, 2017Many species of Archaea, Bacteria and eukaryotes are polyploid in natural populations. The mixture of species with unknown but widely varying ploidy levels compromises marker-gene-based analyses of community structures, population dynamics and microbiomes.
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Polyploidy and Agriculture: Summary
1980As an outsider to this field with modest understanding of Polyploidy and its implications to agriculture, there is little that I can add to the discussion. The contributions which compose this session on the relevance of Polyploidy to agriculture have provided a wealth of information on a broad array of subjects ranging from the relation between ...
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Polyploidy in development and tumor models in Drosophila
Seminars in Cancer Biology, 2022Xian-Feng Wang +2 more
exaly
The evolutionary significance of polyploidy
Nature Reviews Genetics, 2017Kathleen Marchal +2 more
exaly