Monozygotic twins, on the other hand, arise from the same fertilized egg . 同卵双生子则是由同一个受精卵发育而成的。
2.
Objectives : genotype phenotype correlation in 2 pairs of monozygotic twins with arvc and the role of environmental factors are analyzed 目的：在两对arvc单卵双生子中分析基因型与表型的相关性以及环境因素的作用。
3.
Patients and methods : among 40 pts with arvc and their 195 relatives there were 2 pairs of monozygotic twins : brothers , age 47 y ; and sisters , age 48 y 患者与方法：在40例arvc患者及其195名亲属中，有两对单卵双生子：双胞兄弟年龄为47岁，双胞姐妹年龄为48岁。
