Thorax 1 Thorax 2 Thorax 3 Head (leg) (leg) and wing) Ab1 Ab2 Tail 100 90 80 70

Question

Thorax 1 Thorax 2 Thorax 3 Head (leg) (leg) and wing) Ab1 Ab2 Tail 100 90 80 70 60 50 40 Wolverine Cyclops 20 10 30 % embryo length The graph above depicts the distribution of Wolverine and Cyclops proteins in the early embryo of the mosquito Summeris annoyingus. Which of the following is a conclusion that can be made from the graph above? Remember that the x-axis represents the length from the future anterior to posterior end. A null cyclops mutant will likely not form wings Neither Wolverine nor Cyclops is likely required for proper anterior-structure formation Cyclops is clearly not a morphogen. Wolverine is likely important for dorsal structure formation. Wolverine probably activates genes required for proper posterior development.

Explanation / Answer

The graph depicts the distribution of wolverine and Cyclops proteins in the early embryo of the mosquito Summeris annoyingus. The X axis represent the length from the future anterior to posterior end. The conclusion that could be made from the graph is that the null cyclops mutant will likely not form wings. This is because only cyclops protein is involved in the development of wings.

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