Example sentences for: achiasmatic

How can you use “achiasmatic” in a sentence? Here are some example sentences to help you improve your vocabulary:

  • In the absence of crossover recombination (chiasmata) and a backup distributive (achiasmatic) system for chromosome segregation, MI nondisjunction should occur and 100% of any resulting diploid spore colonies would be heterozygous for centromere linked markers (Figure 5B).

  • A meiotic checkpoint could provide additional time for missegregating chromosomes to correct their erroneous wanderings during MI [ 10 ] . We propose two likely mechanisms by which the Rec12 protein improves the MI segregation of achiasmatic chromosomes.

  • We propose that the Rec12-Y98F protein facilitates distributive segregation of achiasmatic chromosomes during MI.

  • The rec12 mutant meioses are achiasmatic and would thus be expected to suffer chromosome segregation errors during meiosis I. To gain insight into this possibility, asci from meiotic cultures were stained with a DNA specific fluorescent dye (DAPI) and visualized by differential interference contrast (DIC) and fluorescence microscopy.

  • A 250-fold reduction in recombination would leave less than 0.1 crossovers per chromosome, so all three chromosomes in most of the rec12 mutant meioses are achiasmatic.

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