A)　elongated cell (11 stains)

G)　abnormal nuclear shape (16 stains)

B)　round cell (29 strains)

H)　small sized nucleus (6 strains)

C)　multi-nucleus(14 strains)

I)　small sized cell (6 strains)

D)　'cut'-like (16 strains)

J)　cell separation defect (25 strains)

E)　lagging chromosome (7 strains)

K)　no phenotype

F)　condensed chromosome (21 strains)

L)　all strains