1 The DNA at a crime scene can come from blood cells, sperm cells, or other body cells such as hair or saliva.  Ancestry and Relationships: DNA from two individuals can be compared to see if they are similar in certain important ways that would mean they are related.
South Korea is a country with a large population which is located in the continent/region of Asia.Countries near South Korea include North Korea, Japan, Taiwan and Hong Kong. Its biggest cities and towns include Seoul, Deogchon, Deog Bigginae and Dochokuri.outh Korea is a country with a large population which is located in the continent/region of Asia.
Korean Peninsula. The Korean Peninsula is a peninsula in East Asia. It extends southwards for about 1,100 km (680 mi) from continental Asia into the Pacific Ocean and is surrounded by the East Sea to the east, and the Yellow Sea (West Sea) to the west, the Korea Strait connecting the first two bodies of water.