| Slide
1: Nodal expression in chick embryo
Slide 2: orientation of Xenopus blastula
and L-R asymmetry of organs
Slide 3: effects of microinjection
of RNAs on L-R asymmetry
Slide 4: Xnr1 (nodal) expression in
injected embryos
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Slide 5: A-P domains of Xnr1 expression
Slide 6: rescue of L-R asymmetry in
conjoined twins
Slide 7: model for the formatuion of
L-R asymmetry
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