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Zygosity diagnosis of twins by questionnaire for twins mothers.
By: Ooki, S.
Contributor(s): Yamada, K | Asaka, A.
Subject(s): Zygosity diagnosis | questionnaire | twins mothers In: Acta Geneticae Medicae et Gemellologiae: twin research 42(1)Summary: Subjects were 74 twin pairs, 61 MZs and 13 same-sexed DZs who entered the high school affiliated with Tokyo Univerisity, Japan. Their mothers also participated. The twins' zygosity was previously identified by many genetic markers. This study aimed at clarifying the effectiveness of zygosity diagnosis by questionnaires distributed to twins mothers. The questionnaire consisted of three questions concerning concerning the degree of similarity of twins at one year of age; whether they were confused, and if so, by whom. It was slightly modified from that reported earlier by Ooki et al [11] for twins: from 1 to 3 points for answers to questions (1) and (2) and from 1 to 4 points for answers to questions (3). The sum of the points was calculated, then ranged from 3 to 10.| Item type | Current location | Call number | Status | Date due | Barcode |
|---|---|---|---|---|---|
| Journal | Indira Gandhi Rashtriya Manav Sangrahalaya | Available |
Subjects were 74 twin pairs, 61 MZs and 13 same-sexed DZs who entered the high school affiliated with Tokyo Univerisity, Japan. Their mothers also participated. The twins' zygosity was previously identified by many genetic markers. This study aimed at clarifying the effectiveness of zygosity diagnosis by questionnaires distributed to twins mothers. The questionnaire consisted of three questions concerning concerning the degree of similarity of twins at one year of age; whether they were confused, and if so, by whom. It was slightly modified from that reported earlier by Ooki et al [11] for twins: from 1 to 3 points for answers to questions (1) and (2) and from 1 to 4 points for answers to questions (3). The sum of the points was calculated, then ranged from 3 to 10.