On Spo16 and the Coefficient of Coincidence | Zendy

Franklin W. Stahl | Zendy; Henriette M Foss | Zendy

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On Spo16 and the Coefficient of Coincidence

Author(s) -

Franklin W. Stahl,

Henriette M Foss

Publication year - 2008

Publication title -

genetics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.792

H-Index - 246

eISSN - 1943-2631

pISSN - 0016-6731

DOI - 10.1534/genetics.108.097071

Subject(s) - coincidence , nondisjunction , chromosomal crossover , biology , interference (communication) , recombination , genetics , meiosis , mutant , mutation , chromosome , computer science , gene , telecommunications , medicine , channel (broadcasting) , alternative medicine , pathology , aneuploidy

spo16 mutants in yeast were reported to have reduced map lengths, a high frequency of nondisjunction in the first meiotic division, and essentially unchanged coefficients of coincidence. Were all crossing over in yeast subject to interference, such data would suggest that the "designation" of recombination events to become crossovers is separable from the "implementation" of that crossing over. In the presence of coexisting interference and noninterference phases of crossing over, however, lack of change in the coefficient of coincidence may show only that spo16 reduces crossing over in the two phases by a similar factor.

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