Results 351 to 360 of about 26,216 (365)
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Genetic control of synapsis and recombination in Lolium amphidiploids
Chromosoma, 1995Homologous bivalent formation in amphidiploids of Lolium is promoted during meiosis by diploidising genes carried by A-chromosomes, and by supernumerary B-chromosomes. The site and mode of action of these diploidising factors were investigated by comparing the relative frequencies of pairing configurations at meiotic prophase and metaphase I in several
Glyn Jenkins, G. Jimenez
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DNA-PK: A synopsis beyond synapsis
DNA RepairGiven its central role in life, DNA is remarkably easy to damage. Double strand breaks (DSBs) are the most toxic form of DNA damage, and DSBs pose the greatest danger to genomic integrity. In higher vertebrates, the non-homologous end joining pathway (NHEJ) is the predominate pathway that repairs DSBs.
Noah J, Goff +3 more
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Karyosphere formation and synapsis in the beetle, phanaeus
Journal of Morphology, 1925AbstractThe parasynaptic union of chromosomes associated with the formation of a karyosphere is demonstrated in the spermatocytes of Phanaeus.The twelve V‐shaped leptotene threads are polarized with their apices embedded in one plasmosome‐like body, their distal ends in another (primary and secondary caps, respectively), and undergo a conjugation of ...
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Mechanisms of Chromosome Synapsis at Meiotic Prophase
1973Publisher Summary Chromosome distribution at mitosis and meiosis in most eukaryotes is mediated by kinetochores (centromeres) and by the microtubules and spindle pole bodies of the spindle apparatus. This chapter describes the mechanisms of chromosomes synapsis at meiotic prophase. It discusses two general observations.
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SUPERNUMERARY CHROMOSOMES, AND SYNAPSIS IN CEUTHOPHILUS (SP.?)
The Biological Bulletin, 1912The species of Ceuthophilus which I have used in this study, I have not been able to identify. The material seems to be homogeneous, and is the only species of this genus that I have seen about Bryn Mawr. The insects were found, usually in pairs, in their burrows under stones, and were collected in October and November, 1910 and 1911.
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Journal of Genetics, 1936