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.
South Korea is located in East Asia, on the southern half of the Korean Peninsula jutting out from the far east of the Asian land mass. The only country with a land border to South Korea is North Korea, lying to the north with 238 kilometres (148 mi) of border running along the Korean Demilitarized Zone.South Korea is mostly surrounded by water and has 2,413 kilometres (1,499 mi) of coast line along three seas.o the west is the Yellow Sea, to the south is the East China Sea, and to the east is Ulleung-do and Liancourt Rocks in the Sea of Japan (East Sea). Geographically, South Korea's land mass is approximately 100,032 square kilometres (38,623 sq mi). 290 square kilometres (110 sq mi) of South Korea are occupied by water.