Figure 3.

Primary spermatocytes of mutants from Zuker collection. Left column: phase contrast; right column: immunostaining with T53-1 (b-d-f-h) or S5 (j) antibodies. a-b: ms(3)168-112. c-d: ms(3)142-46; note the split kl-3 loop (arrows). e-f: ms(3)150-16. g-h: ms(3)167-72. i-j: ms(3)162-39; note that in both nuclei only the kl-5 loop reacts with the S5 antibody. See text for further explanations.