Nature Genetics
28, 315 (2001)
doi:10.1038/91074
IBD sharing around the PPARG locus is not increased in dizygotic twins or their mothersDavid Duffy1, Grant Montgomery1, Susan Treloar1, Andrew Birley1, Katherine Kirk1, Dorret Boomsma2, Leo Beem2, Eco de Geus2, Eline Slagboom3, Joharna Knighton4, Peter Reed4
& Nicholas Martin11
The Queensland Institute of Medical Research, Brisbane, Australia. 2
Free University, Amsterdam, The Netherlands. 3
Gaubius Laboratory TNO/PG, Leiden, The Netherlands. 4
Gemini Genomics, Cambridge, UK. Busjahn et al
1 reported finding linkage between PPARG (3p25) and being a dizygotic (DZ) twin. We differentiate, as do the authors, between the conception of DZ twins, and being the viable result of such a conception.
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