African Americans [ ... ] are a racially mixed or mulatto people—deeply and overwhelmingly so" (see genetics). After the Emancipation Proclamation, Chinese American men married African-American women in high proportions to their total marriage numbers due to few Chinese American women being in the United States. African slaves and their descendants have also had a history of cultural exchange and intermarriage with Native Americans, although they did not necessarily retain social, cultural or linguistic ties to Native peoples. There are also increasing intermarriages and offspring between non-Hispanic blacks and Hispanics of any race, especially between Puerto Ricans and African Americans (American-born blacks).
Chinese Americans American towards premarital genetic screening more supportive, especially when facing a chance of genetic defects. Moreover, from the perspective of this group of people, knowing whether a marriage partner has family history of mental illness with genetic basis is fairly important. Chinese Americans Chinese Americans, which includes American-born Chinese, are Americans who have full or partial Chinese ancestry. Chinese Americans constitute one group of overseas Chinese and also a subgroup of East Asian Americans, which is a further subgroup of Asian Americans. Many Chinese Americans are immigrants along with their descendants from mainland China, Hong Kong, Macau, Taiwan, as well