Why? What is the specific question or hypothesis being tested for this figure? H

Question

Why? What is the specific question or hypothesis being tested for this figure?

How? Methods: Describe how the experiment was performed.

What? Results. Summarize the experimental results, highlighting the relevant controls and main conclusions that can be made only from the data in this figure.

So what? Conclusions. Summarize the conclusions from this figure (and only this figure!)

nd hl t. 25 st. 27 st. 28 Fig. 7. Expression of Shh in opossum. (A) First expression of Shh in opossum forelimb at stage 25 is early relative to outgrowth of the limb bud, as well as to expression reported for mouse at E9.75 (Echelard et al., 1993). Dorsal view, anterior to top. (B) Dorsolateral view of a stage 27 embryo, anterior to top. (C,D)Lateral views of stage 28 and 29 embryos, anterior to top left. (E) First expression of Shh in opossumm forelimb at stage 29 is early relative to that reported for mouse at E10.5 (Echelard et al., 1993). Dorsal view, anterior to bottom. Arrows indicate

Explanation / Answer

1Q). Question tested: Is there any association between the first expression of Shh in the opossum forelimb and to the outgrowth of the limb bud?

The figure showed that the Shh expression in opossum forelimb at an early stage is relative to limb bud outgrowth.

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