Under what circumstance might two loci be on the same chromosome but behave as if independently assorting in crosses?

a symbiotic relationship with the mitochondria

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.