Titlebook: Cytogenetics of the Festuca-Lolium Complex; Relevance to Breedin Prem P. Jauhar Book 1993 Springer-Verlag Berlin Heidelberg 1993 Agricultur

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书目名称Cytogenetics of the Festuca-Lolium Complex影响因子(影响力)




书目名称Cytogenetics of the Festuca-Lolium Complex影响因子(影响力)学科排名




书目名称Cytogenetics of the Festuca-Lolium Complex网络公开度




书目名称Cytogenetics of the Festuca-Lolium Complex网络公开度学科排名




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BRAND

Karyotypes and Species Evolution and Divergence,ps (sometimes in shoot tips), pollen mitosis, or at pachytene of meiosis. Chromosome number, total chromosome lengths, arm ratios, secondary constrictions, and satellites constitute important parameters for karyotypic analysis and may aid taxonomic and phylogenetic investigations. Because chromosome

Institution

BUST

Ambiguous

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B Chromosomes,chromosome complement and are nonessential. They are nonhomologous to the normal members of the complement. Müntzing (1974) considered the term “accessory” to be more appropriate to describe these chromosomes. However, for the sake of brevity it is preferable to call them B chromosomes (the normal c

骗子

Natural and Induced Polyploidy, types of polyploids, allopolyploids are preponderant in nature because they enjoy the benefits of polyploidy and hybridity and, hence, are better adapted to diverse climatic conditions. The alloploids have enzyme diversity coded by related genes in different parental genomes. This biochemical versa

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Haploidy,d mutagenesis, gene dosage effects, interaction of genes, and linkage analyses. They offer an opportunity for the study of chromosome relationships within species because the intergenomic homologies, which generally remain masked in the parental species, are revealed in the complement in haploid sta

overwrought

Aneuploids,ing programs. They can be gainfully employed to localize genes on specific chromosomes, to assign chromosomes in their respective linkage groups, and to assess phenotypic effects of individual chromosomes. Aneuploids have proven useful in locating genes on particular chromosomes in several diploid s

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Intra- and Inter-Specific Hybridization, Genome Relationships, and Plant Improvement9,these genera and have, in certain cases, successfully achieved this and produced superior cultivars. Some intergeneric hybrids are found in nature. . x ., for example, is widely found in the British Isles and northwestern Europe (Lewis 1975). However, the opportunity for widespread natural introgres