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Fig. 3 | EvoDevo

Fig. 3

From: The role of HoxA11 and HoxA13 in the evolution of novel fin morphologies in a representative batoid (Leucoraja erinacea)

Fig. 3

HoxA11 expression in anterior pelvic fins corresponds to the developing crura. Expression is observed at stage 28 (a) and continues through stage 31 (bf) in a region that overlaps with Wnt3 expression (see Fig. 2 F), indicating a novel AER-like domain that is associated with the distal outgrowth of the crura. Interestingly, the crura does not begin to develop until stage 31 (e, f), indicating that HoxA11 begins to pattern the crura before elongation occurs. HoxA11 is expressed in the posterior pelvic fin in both males and females (cf)

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