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6 kwi 2020 · Summary. The proper behavior of homologous chromosomes at the first meiotic division is usually ensured by crossing over. A new study shows that crossover position influences the successful completion of the chromatin remodeling processes that facilitate homologous segregation.
1 kwi 2024 · Gene regulation in meiosis is challenged with executing unique developmental, chromosomal, and cellular processes. Several events that occur in meiosis are unlike anything in mitotically dividing somatic cells.
Having considered the general way in which chromosomes behave and segregate during meiosis, we now return to the process of genetic recombination that occurs during the long prophase of meiotic division I and has such an important role in reassorting genes during gamete formation.
6 sty 2010 · Studies of mutations in model organisms and of human haplotype patterns are leading to a clearer understanding of how meiosis has adapted from yeast to humans, the genes that control the...
Specifically, meiosis creates new combinations of genetic material in each of the four daughter cells. These new combinations result from the exchange of DNA between paired chromosomes. Such...
15 maj 2006 · An Arabidopsis atmre11 mutant meiocytes lack chromosome synapsis, and both mitotic and meiotic mutant cells contain AtSPO11-1-dependent chromosome fragments, suggesting that this gene...
1 sty 2021 · Chromatin reconfiguration occurring during meiosis is a major source of novel genotypes and includes reshaping of the nucleus, chromosome movement in the nucleus, chromosome condensation and pairing and recombination.
