Words similar to achiasmatic

Example sentences for: achiasmatic

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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.
In the presence of Rec12-Y98F protein the checkpoint would be active, thereby allowing the achiasmatic chromosomes sufficient time to reorient and undergo distributive segregation.
In the absence of Rec12 protein and crossovers, a backup distributive (achiasmatic) segregation system operates successfully on up to half of the chromosomes that would otherwise undergo MI nondisjunction.
In female meioses of D. melanogaster , heterochromatic pairing of homologs can substitute for chiasmata to ensure bipolar spindle attachment of bivalents and subsequent distributive segregation [ 4 5 6 8 ] . Rec12 may serve a similar role in maintaining a paired (or pseudo-paired) state between achiasmatic chromosomes prior to the first meiotic division.
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.