Also, don't worry if you cannot read all of the legend, there is nothing important missing that I have not told you above, but if you want to try to read it you can. Questions based on figures from page F 8 pts. And the final question on this final is some what related to the paper we just finished on BMP and tld . Then in flies, the tld receptor was cloned and called mad . Two Xmad genes were cloned.
E marks the lane where an entire embryo was used.
The wedges indicate how much of the appropriate gene was injected into the frog eggs. There are various mRNAs being used here to figure out which part of the embryo is being induced with the two Xmads. You do not need to describe in detail what is in each panel, simply summarize your conclusions for all panels.