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Telomere–centromere dynamics through meiotic prophase in wheat (a,i) and wheat–rye disomic substitution lines 1R(1A) (c,e,g,k,m), 2R(2D) (b,d,f,h,j,l,n). (a) Mid–late interphase with 3 nucleoli. (b–h) Leptotene with two nucleoli. Early–mid zygotene (i,j) with one peripherally located nucleolus. (k) Late zygotene, (l) early pachytene. (m) Pachytene. (n) Early diplotene. (ai–ni) The same as (a–n), DAPI. Telomeres are stained red and centromeres, green. Scale bar = 10 μm.
