Sentences with phrase «identical sibling groups»
Bruni gets the number right; the 1990 landmark study by Bailey and Pillard reported a 52 % «probandwise concordance» for homosexual orientation among genetically identical sibling groups, but this does not mean what Bruni says it means.
https://www.firstthings.com/ Not exact matches
The researchers compared the similarity of ADHD symptoms in three separate groups: identical twins, fraternal twins, and siblings.