HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Kubo, T. Search for Related Content PubMed Articles by Kubo, T.

On the Agglutinogens M and N of the Ainu

Department of Forensic Medicine, Hokkaido Imperial University, Japan

Abstract

In the first study of the racial distribution of the agglutinogens M and N, Landsteiner and Levine found significant differences between whites and American Indians. However, most of the races thus far examined have a similar distribution of the factors. Table 1 shows the distribution of M and N in several parts of Japan.

In 1934, Kubo and his co-workers (1) studied the distribution of M and N substances among the Ainu in the Shizunai district. The results are shown in table 2.

It appears that the distribution of M and N among the Ainu differs considerably from that among the Japanese.

Discussion. 1. Considering differences in distribution of the agglutinogens M and N, the races of the world may be divided into three groups. Let s and t represent the frequencies of M and N respectively; the three groups are determined as follows: