Medical Genetics 2.1 Genetic Analysis of Qualitative Disease Traits Familial aggregation:affected individuals may cluster in families. Concordance and discordance:when two related individuals in a family have the same disease,they are said to be concordant for the disorder.Conversely,when only one member of the pair of relatives is affected and the other is not, the relatives are discordant for the disease. genocopy phenocopy This document is produced by trial version of Print2Flash.Visit www.print2flash.com for more informationThis document is produced by trial version of Print2Flash. Visit www.print2flash.com for more information