Chromosomes of Oenothera
نویسندگان
چکیده
منابع مشابه
On the Distribution of Mutant Characters among the Chromosomes of OENOTHERA LAMARCKIANA.
During the last ten years the number of distinct mutant types of Oenothera Lamarckiana has increased considerably. One of us has determined the chromosome numbers for most of them, including those older ones, for which these figures had not as yet been ascertained. Moreover the fact that some mutant types are repeatedly produced by others has become very prominent, indicating some kind of gen...
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The model plant Oenothera has contributed significantly to the biological sciences and it dominated the early development of plant genetics, cytogenetics, and evolutionary biology. The great advantage of using Oenothera as a model system is a large body of genetic, cytological, morphological, and ecological information collected over more than a century. The Oenothera system offers a well-studi...
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The researches of MORGAN on lethal factors, of BARTLETT on mass mutation, and of RENNER on empty seeds, have led me of late to the conception that lethal factors and hybrid mutants play a large part in the splitting phenomena which accompany the normal mutations of so many species of Oenothera. The question, which part of those phenomena may be explained by this view, has to be faced. The cross...
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TABLE OF CONTENTS PAGE 1NTRODUCTlON. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Description.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 Early prophase stages. . . . . . . . . . . . . . . . . . . . . . . . . . ....
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Plastids were isolated from a plastome mutator-induced mutant (pm7) of Oenothera hookeri and were analyzed for various physiological and biochemical attributes. No photosynthetic electron transport activity was detected in the mutant plastids. This is consistent with previous ultrastructural analysis showing the absence of thylakoid membranes in the pm7 plastids and with the observation of aber...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1907
ISSN: 0006-8071
DOI: 10.1086/329338