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Figure 2


Fig. 2. The elaboration of the extra RP2 lineage in mid mutants. (A-N) Wild-type and mid mutant Drosophila embryos of the indicated ages were stained with antibodies to Eve (A-D,J,M), Zfh1 (K,N), or Eve+Zfh1 (E-H,I,L). Only one hemisegment is shown in each panel; anterior is up. Arrowhead, GMC-1; arrowhead with asterisk, the extra GMC-1; arrow, RP2; arrow with asterisk, eRP2; thin arrow, sib; thin arrow with asterisk, esib. (O) The developmental timing of the bona fide RP2/sib lineage in wild-type Drosophila (WT) and the development of the eRP2 lineage in mid mutants.