Since elementary school, South Koreans are taught that they are all of the same ancestry. (asiapacific.ca)
It's pretty simple, the terms are not exactly synonymous though they do refer to the same ancestry, me as a jew is still different than the ancient israelites. (religion.blogs.cnn.com)
Our modern day wheat (also known as a hexaploid) shares the same ancestry of Spelt, but the hulls are easily removed from the grain kernel. (everydayfull.com)