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

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