Which correctly describes the similarities between identical twins?
a. they are genetic copies of each other.
b. their dna is similar but not exactly the same.
c. their dna is the same as their father's.
d. they are as similar as any two siblings.

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.