Primitive hematopoiesis is normal in tnnt2a morphants. (A-B) Confocal images of control MO (A) and tnnt2aMO (B) injected flk1:GFP/gata1:dsRed transgenic embryos at 2 dpf. (C-F) scl and gata1 expression in the intermediate cell mass (ICM) was normal in tnnt2a morphants at 24 hpf. Anterior is to the left and dorsal is up.