已收录 273079 条政策
 政策提纲
  • 暂无提纲
A Study of the Occurrence of the Blood Groups Among the American Indians
[摘要] The inheritance of the Landsteiner isoagglutination elements of the human blood has been studied in two different respects.Von Dungern and L. Hirschfeld (1) and, later, Ottenberg (2) and also Buchanan (3) have investigated the mode of transmission of the elements from generation to generation by the examination of the blood in parents and offspring.L. Hirschfeld and H. Hirschfeld (4) on the other hand, have studied, in about 9000 individuals, the percentage distribution of the four blood groups in the different human races, and, in this way, these authors have obtained statistical data which seem to provide indirect evidence as to the manner of transmission of the blood elements, and which also offer a new means of studying racial relationships.The evidence referred to lies in the Hirschfelds' observation that the percentages of “found” I and IV (Jansky) groups in the different races approximate the respective percentages which they calculated from those of groups II and III.
[发布日期]  [发布机构] 
[效力级别]  [学科分类] 生物科学(综合)
[关键词]  [时效性] 
   浏览次数:2      统一登录查看全文      激活码登录查看全文