Sister chromatids
Meiotic Recombination Between Paralogous RBCSB Genes on Sister Chromatids of Arabidopsis thaliana
... to perform the millions of crosses with separate qrt pol- two independent synthRBCSB1 transgenic lines. These len grains that would be required to identify the equally results were in contrast to that from Assaad and ...
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Sister Chromatids Are Often Incompletely Aligned in Meristematic and Endopolyploid Interphase Nuclei of Arabidopsis thaliana
... whether sister chromatids are continuously aligned in meristematic and endopolyploid Arabidopsis interphase nuclei by studying sister-chromatid alignment at various chromosomal ...absent ...
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Sister Chromatids Segregate at Mitosis Without Mother–Daughter Bias in Saccharomyces cerevisiae
... the sister chromatids as different and that differential inheri- tance of the imprinted chromatids results in different cell fates in the daughter cells (Klar 2007; Tajbakhsh ...
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Sister chromatids are preferred over homologs as substrates for recombinational repair in Saccharomyces cerevisiae.
... Both the sister chromatid recombination and the homolog recombination substrates used in the above experiments were centromere-linked, thus the obser- vation that sister [r] ...
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THE GENETIC ANALYSIS OF A CHROMOSOME-SPECIFIC MEIOTIC MUTANT THAT PERMITS A PREMATURE SEPARATION OF SISTER CHROMATIDS IN DROSOPHILA MELANOGASTER
... Furthermore, the frequency of exceptions from the homozygous mei-G87 females was higher (0.59) than all but four of the recombinant lines. Therefore, recombinant lines with exc[r] ...
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The yeast med1 mutant undergoes both meiotic homolog nondisjunction and precocious separation of sister chromatids.
... Because there is relatively high spore viabil- ity in the medl mutant and many tetrads contain two or three viable spores, it is possible to identify the different types[r] ...
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High-Resolution Genome-Wide Analysis of Irradiated (UV and γ-Rays) Diploid Yeast Cells Reveals a High Frequency of Genomic Loss of Heterozygosity (LOH) Events
... both sister chromatids have breaks at approximately the same position and one simple mechanism consistent with this property is that these spontaneous conversion events reflect a DSB formed in G1 of the cell ...
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A mechanical basis for chromosome function
... of sister chromatids or homologs, declustering of het- erochromatic regions, and separation of unrelated chromosomes into distinct territories or, analogously, separation of chromatin from the nuclear ...
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Chapter 10 ppt
... – Each chromosome consists of two identical sister chromatids • Homologous chromosomes pair up – synapsis.. • Homologous pairs align themselves against each other side by side at the [r] ...
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ON THE NATURE OF SISTER-CHROMATID EXCHANGES IN 5-BROMODEOXYURIDINE-SUBSTITUTED CHROMOSOMES
... FIGURES 1 and 2.-Diagrams of expected BrdUrd-labeling patterns and chromosome differ- ential staining of sister chromatids throughout three consecutive division cycles,[r] ...
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Organisation of kinetochores in human oocytes
... chromosomes with novel combinations of genes. The process of crossover formation has many similarities with homologous repair of DNA double-stranded breaks and shares many of the proteins involved in this mechanism of ...
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_08_Lecture_Presentation_PC.ppt
... Figure 8.3B Sister chromatids Chromosomes Centromere Chromosome duplication Sister chromatids Chromosome distribution to the daughter cells DNA molecules... Figure 8.3B_2.[r] ...
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A Segmental Deletion Series Generated by Sister-Chromatid Transposition of Ac Transposable Elements in Maize
... generate sister chromatids containing reciprocal deletion and inverted duplication products as previously shown (Z hang and P eterson 1999) (Figure ...
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Bio ExLife 9.5_9.6 -- meiosis
... I, sister chromatids stay together and go to the same pole when the homologous chromosomes ...sister chromatids. Meiosis II is basically identical to mitosis. The sister ...
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Regulation of chromosome segregation in Drosophila meiosis
... To investigate whether the components of mitotic Cohesin complex are essential for the cohesion between sister chromatids in Drosophila meiosis, vtd RNAi and CAP RNAi518 fly lines were ordered from the ...
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Sex-Specific Differences in Meiotic Chromosome Segregation Revealed by Dicentric Bridge Resolution in Mice
... Figure 3.—Preparations of MII-arrested oocytes using chro- mosome-specific FISH (red) to detect the inversion chromo- some. The meiotic figures shown in B and C account for the majority of aberrant products observed in ...
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GR Ch. 13 Meiosis.pdf
... Add these labels: parent cell, mitosis, meiosis, synapsis, homologous chromosomes, replicated chromosomes, sister chromatids, daughter cells, meiosis I, meiosis II, and crossing over.[r] ...
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MEIOSIS IN DROSOPHILA MELANOGASTER. III. THE EFFECT OF ORIENTATION DISRUPTOR (ord) ON GONIAL MITOTIC AND THE MEIOTIC DIVISIONS IN MALES
... that holds sister chromatids together during meiosis. Furthermore, w e have determined that ord also causes high frequencies of nondisjunction during gonia1 mitotic [r] ...
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Flanking Duplications and Deletions Associated With P-Induced Male Recombination in Drosophila
... These structures fit the “hybrid element insertion” (HEI) model of male recombination in which the two P-element copies on sister chromatids combine to form a “hybrid ele[r] ...
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1.Mitosis
... Microtubules Chromosomes Sister chromatids Aster Centrosome Metaphase plate Kineto- chores Kinetochore microtubules 0.5 µm Overlapping nonkinetochore microtubules 1 µm Centrosome.. Mitos[r] ...
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