The significance of intermarriage in the assimilation of Asians in the United States was examined using data based on the 1980 Population Census of the United States. Ethnic differentials in intermarriage patterns within the Asian American population was also addressed by comparing six groups - - Chinese, Filipino, Indian, Japanese, Korean, and Vietnamese. The main findings include a relatively high level of intermarriage among Asian Americans (25 percent of all marriages) and significant variations in outmarriage rates by ethnicity, nativity, age, and gender. We also observed that social distance, measured by an index of marital proximity, between Asian Americans and the majority population of non-Hispanic white Americans is lower than that for the two largest minority groups in the United States, blacks and Hispanics. Implications of the study for ethnic relations and assimilation of Asian Americans were discussed in the conclusion.
Interstitial deletion of 7q11.23-q21.11 was identified by cytogenetic methods in a 4-year-old boy with Williams syndrome (WS) and infantile spasms. Deletion of the elastin (ELN) gene and the DNA polymorphic markers, D7S1870, D7S2490, D7S2518, and D7S2421, were identified in the patient, but the loci for D7S653 and D7S675 were not involved. Zackowski et al. (1990) reported that 6 of 16 patients with the interstitial deletion of 7q11.2-q22 had abnormal electro encephalograms, or seizures, or both, and that infantile spasms were present in 2 of the 6 patients. WS is a well defined developmental disorder characterized by distinct facial features, gregarious personality, and congenital heart defects. Seizures are not generally associated with this syndrome. WS commonly is characterized by deletion of the loci for ELN and D7S1870, but not those for D7S2490, D7S2518, or D7S2421. This suggests that a gene responsible for infantile spasms is located in the 2.7-cM interval between loci D7S1870 and D7S675.
Background: To examine the type, frequency, severity, and predictors of anemia and its relationship with co-morbid conditions among institutionalized people with intellectual and/or motor disability.
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