Persistence of chromosomal aberrations in mutated populations of Triticum aestivum.

Larik, A. S.; Siddiqui, K. A.; Larik, H.

doi:10.1508/cytologia.47.247

Cited by 5 publications

(4 citation statements)

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“…Differences in the functioning ability of pollen deficient for different chromosomes reflect the genetics of gametophyte development, just as the differences in vigour and fertility of monosomics or nullisomics deficient for different chromosomes reflect the genetics of sporophyte development. It was found earlier (Larik, 1975) that all monosomics obtained from mono-trisomic lines in the variety Sun II were vigorous and self-fertile, the related nullisomics varied considerably, some being vigorous and highly fertile, while others were dwarfed and of very low fertility.…”

Section: Discussionmentioning

confidence: 95%

Inheritance of chromosome deficiency and duplication in Avena sativa L.

Larik

1981

Genetica

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The inheritance of chromosome deficiency and duplication was studied in two mono-trisomic lines of oats, Auena sativa L. The mono-trisomics were produced by crossing two different monosomic lines with a line tetrasomic for an unidentified chromosome. The constitution of the progenies of the two mono-trisomic lines was determined by studying chromosome pairing at metaphase I. The inheritance of the deficiency and duplication in mono-trisomic lines was determined by the transmission of the deficiency in the respective monosomics and the duplication in the trisomic. The ability of aneuploid gametes to function was dependent on their chromosome constitution. Restoration of the haploid number of chromosomes did not improve the competitive ability of the pollen if the haploid numbers involved a deficiency and a duplication. Male gametes which were nullisomic and disomic for a particular chromosome were at a selective disadvantage in competition with haploid gametes. Since the chromosomes involved in the two original monosomic lines did not belong to the same homoeologous group as the chromosome in the tetrasomic line, there. was no indication of compensation at the gametic level. Nevertheless, it was possible to isolate the nulli-trisomic lines from the progeny of both monotrisomic lines.Nulli-tetrasomic genotypes of nulli I, II, IV, VI, VIII? IX and X with the unidentified tetrasome were composed, but revealed no morphological compensation as they were very much weaker than 43-qnd 44chromosome type plants. Non compensation in these genotypes indicates that the chromosomes involved in the parental monosomic and tetrasomic lines do not belong to the same homoeologous group.

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Section: Discussionmentioning

confidence: 95%

Inheritance of chromosome deficiency and duplication in Avena sativa L.

Larik

1981

Genetica

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“…In law, values are generally juxtaposed with 'principles' and 'rules', 41 and in the Treaties especially with 'competences' and 'objectives'. 42 Yet values somehow transcend these dichotomies without revealing their precise character. One might justifiably ask why the drafters burdened the Treaties with such a can of worms.…”

Section: Nature: Do Article 2 Teu Values Have Any Legal Effect?mentioning

confidence: 99%

Defending Union Values in Judicial Proceedings. On How to Turn Article 2 TEU into a Judicially Applicable Provision

Spieker

2021

Beiträge Zum Ausländischen Öffentlichen Recht Und Völkerrecht

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This chapter centres on the question of how to address violations of EU values in judicial proceedings before the Court of Justice. Instead of relying on fundamental freedoms, EU secondary legislation or the Charter, this chapter explores a more promising path—engaging with Article 2 TEU itself. Yet this path rests on a crucial premise: the judicial applicability of the values enshrined in Article 2 TEU. Such a judicial applicability is far from self-evident and needs to be carefully construed. Based on recent jurisprudential developments, this chapter will propose ways to operationalise Article 2 TEU without curtailing its unrestricted scope of application. The judgments of Associação Sindical dos Juízes Portugueses, Minister for Justice and Equality (L.M.) and Commission v. Poland will be at the heart of this contribution.

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“…The EEC framework was therefore inspired, in part, by the gatt model. 95 That is why the Union's external trade policy should not be seen as a simple expansion of the internal market to outside the EU, but rather as a necessary or even indispensable consequence of the internal market in the external sphere. 96 Larik 97 argues that European trade policy is 'a necessary corollary for the maintenance of its internal market'.…”

Section: The Four Freedoms and Competition Rules: Coherence And Divermentioning

confidence: 99%

European Variations as a Key to Cooperation

Ballin

Ćerimović

Dijstelbloem

et al. 2020

Research for Policy

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Persistence of chromosomal aberrations in mutated populations of Triticum aestivum.

Cited by 5 publications

References 20 publications

Inheritance of chromosome deficiency and duplication in Avena sativa L.

Inheritance of chromosome deficiency and duplication in Avena sativa L.

Defending Union Values in Judicial Proceedings. On How to Turn Article 2 TEU into a Judicially Applicable Provision

European Variations as a Key to Cooperation

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