Article
Zygosity diagnosis in the absence of genotypic data: an approach using latent class analysis.
Twin research : the official journal of the International Society for Twin Studies - 1 Feb 2003
Heath Andrew C, Nyholt Dale R, Neuman Rosalind, Madden Pamela A F, Bucholz Kathleen K, Todd Richard D, Nelson Elliot C, Montgomery Grant W, Martin Nicholas G
Abstract excerpt
For zygosity diagnosis in the absence of genotypic data, or in the recruitment phase of a twin study where only single twins from same-sex pairs are being screened, or to provide a test for sample duplication leading to the false identification of a dizygotic pair as monozygotic, the appropriate analysis of respondents' answers to questions about zygosity is critical. Using data from a young adult Australian twin...
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