Genetic variance and heritability of temperament among Chinese twin infants

C. J. Chen, M. W. Yu, C. J. Wang, S. L. Tong, M. Tien, T. Y. Lee, H. C. Lue, F. Y. Huang, C. C. Lan, K. H. Yang, H. C. Wang, H. Y. Shih, C. Y. Liu, J. S. Chen

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Abstract

In order to examine the genetic variance and heritability of temperament among Chinese infants in Taiwan, a total of 62 pairs of same-sexed twin infants given birth in four major general teaching hospitals in Taipei City were studied. Based on placentation and 12 red blood cell antigens, 44 MZ and 18 DZ pairs were identified. Temperament was assessed at the age of six months by the Chinese edition of Carey's Temperament scale. Significant genetic variance was observed for activity level, approach or withdrawal, intensity of reaction, quality of mood, and threshold of responsiveness, with a heritability of 0.64, 0.56, 0.74, 0.39, and 0.45, respectively. There was no significant intrapair difference in temperamental characteristics between monochorionic and dichorionic MZ twins.

Original languageEnglish
Pages (from-to)485-490
Number of pages6
JournalActa Geneticae Medicae et Gemellologiae
Volume39
Issue number4
DOIs
Publication statusPublished - 1990 Jan 1

All Science Journal Classification (ASJC) codes

  • Genetics(clinical)

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    Chen, C. J., Yu, M. W., Wang, C. J., Tong, S. L., Tien, M., Lee, T. Y., Lue, H. C., Huang, F. Y., Lan, C. C., Yang, K. H., Wang, H. C., Shih, H. Y., Liu, C. Y., & Chen, J. S. (1990). Genetic variance and heritability of temperament among Chinese twin infants. Acta Geneticae Medicae et Gemellologiae, 39(4), 485-490. https://doi.org/10.1017/S0001566000003718