Medical Genetics Symbols Male Marriage Female Extramarital Mating Sex Unspecified Divorce Number of children of consanguineous Sex Indicated Marriage Affe cted Monozygotic Twins Heterozygote for Autosomal Trait Dizygotic Twins Carrier of x-Linked Recessive Trait Proband Individuals in a 2 Pedigree Diceased Proband is川2) Perinatal Death Miscarriage No Offspring Adopted Into a Family Adopted Out of a FamilMedical Genetics Symbols