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Table 3 Comparison of lampbrush chromosomes of P. ridibundus from Poland and Kharkov region

From: Cytological maps of lampbrush chromosomes of European water frogs (Pelophylax esculentuscomplex) from the Eastern Ukraine

Lampbrush chromosomes of P. ridibundusfrom Poland Lampbrush chromosomes of P. ridibundusfrom Kharkov region
Number of LBC according to relative length Marker structures Number of LBC according to relative length Marker structures
I long arm: s/t granule A short arm: i/c long marker loop, s/t long marker loop; long arm: s/t long marker loop
II long arm: i/c bush like loop, s/t sphere B short arm: i/c lumpy loop; long arm: s/t sphere
III   D short arm: t long marker loop, i/c lumpy loop, i/c long marker loop
IV long arm: s/t dense like loop C long arm: s/t long marker loop, i/c lumpy loop
V   E short arm: rarely i/c lumpy loop
VI   F long arm: rarely i/c long marker loop
VII long arm: i/c giant sructures G short arm: i/c long marker loop; long arm: usually i/c 1 sometimes i/c 2 long marker loops,
VIII* long arm: i/c bush like J*  
IX short arm: sphere; long arm: i/c dense like K short arm: sometimes sphere; long arm: usually i/c 1 sometimes i/c 2 lumpy loops,
X long arm: i/c giant structures, no H long arm: i/c giant fusing loop, i/c 2 long marker loops, no
XI*   I* short arm: i/c long marker loop; long arm: i/c 2 marker loops
XII*   L* long arm: i/c lumpy loop, i/c long marker loop
XIII*   M* long arm: i/c long marker loop
  1. * - The correlation between the particular lampbrush chromosomes is established only according to their relative length.
  2. Abbreviations:
  3. s/t - subtelomeric position of marker structure.
  4. t - telomeric position of marker structure.
  5. i/c - intercalary position of marker structure.