Fig. 6. All the prohemocytes have the capability to develop as crystal cells. (A-H) Side views of stage 14 to 15 embryos processed to reveal DoxA3 (A-D), or DoxA3 (blue) and Pxn (black) expression (E-H). The arrows in C,D,G and H point to the ectopic activation of DoxA3 expression in the amnioserosa upon srp-gal4-induced expression of uas-lz in this tissue. (I-L) Higher magnification views of wild-type crystal cells expressing DoxA3 (I), wild-type plasmatocytes expressing Pxn (J), and DoxA3-expressing hemocytes upon srp-driven expression of LZ in a wild-type embryo (K) or in a Df(2L)200 embryo (L). Scale bar in I-L: 12 µm.