Zygosity diagnosis of twins by questionnaire.

  title={Zygosity diagnosis of twins by questionnaire.},
  author={Syuichi Ooki and Kyoko Yamada and Akio Asaka and Kazushige Hayakawa},
  journal={Acta geneticae medicae et gemellologiae},
  volume={39 1},
Subjects were 189 twin pairs, 165 MZ and 24 same-sexed DZ, who entered the junior high school affiliated to Tokyo University (sample T), and 93 twin pairs, 71 MZ and 22 same-sexed DZ, who were registered at Kinki University (sample K). The zygosity was previously identified by many genetic markers, and this study aimed at zygosity diagnosis by questionnaire. The latter included three questions: "How are you alike?", "How often are you mistaken?", and "By whom are you mistaken?". According to… CONTINUE READING

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