binovular

Methods About 142 pairs of monozygotic (MZ) twins and 86 pairs of dizygotic (DZ) twins aged 5-19 were studied.

方法　选取 5～ 1 9岁双生子 2 2 8对 ,其中MZ(单卵双生子 ) 1 4 2对 ,DZ(二卵双生子 ) 86对 ,在DNA卵性鉴定基础上 ,以成对法计算同病一致率、调整BMI前后组内相关系数及遗传度。