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Figure 2


Fig. 2. Expression of TSKA and TSKB in early chick embryo. (A-C) In situ hybridization and RT-PCR analyses of chick embryos at stages 2-4. The right panels show the expression patterns of Tsukushi mRNA. (A) Chick embryo at stage 2. (B) Chick embryos at stage 3 were categorized into anterior site (PS-A) and posterior site (PS-P). (C) Chick embryos at stage 4 were categorized into Hensen's node (HN), anterior site (PS-A), middle site (PS-M) and posterior site (PS-P). a, anterior; p, posterior.