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Problem on wild-type tobacco hornworms


Problem: You are a scientist studying wild-type tobacco hornworms. Wild-type hornworms are always green as adults, despite the temperature during which they develop. You perform the experiment shown in the figure on the right using the wild-type hornworms as test subjects (note: the figure is just shown to illustrate the location of the ligation and should NOT be assumed to reflect the actual coloration in wild-type hornworms). In this experiment, you ligate the developing hornworm either at the abdomen or at the neck and then heat-shock the developing hornworm. Based on what you learned in class, what of the following do you predict will be an outcome of this experiment? Need Assignment Help? A. Neck-ligated hornworms will be green on the head side of the ligation and green on the tail side of the ligation. B. Neck-ligated hornworms will be black on the head side of the ligation and green on the tail side of the ligation. C. Abdominally ligated hornworms will be black on the head side of the ligation and black on the tail side of the ligation. D. Abdominally ligated hornworms will be green on the head side of the ligation and black on the tail side of the ligation.

 

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Biology: Problem on wild-type tobacco hornworms
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