Question

much of the human genome is similar to every other humans genome. what percent of the human genome is truly unique usable for dna profiling?
0.2%
80%
99.9%
1%

Explanation:

Most of the human genome is similar. Only about 0.1% is unique for DNA - profiling.

Answer:

0.1% is not in the options, but closest is 0.2% so A. 0.2%