Morphogens like bicoid often have a gradient that is considerably less precise than the final read-out in the embryo (for instance the precise expression of Engrailed and Wingless at the cell-by-cell level). Discuss how the segmentation pathway is able to handle the variations in bicoid gradients to establish the precise pattern of expression seen in the expression of even-skipped.

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answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.