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.
Korea is located on the Korean Peninsula in East Asia. To the northwest, the Amnok River separates Korea from China and to the northeast, the Duman River separates Korea from China and Russia. The peninsula is surrounded by the Yellow Sea to the west, the East China Sea and Korea Strait to the south, and the East Sea (Sea of Japan).