Sexual dimorphism with respect to body size and shape has been analysed by means of discriminant function. An anthropometric score has been derived from 111 adult normal males and 108 females, based on 11 anthropometric and three dermatoglyphic variables. The score represents the range of quantified physical phenotypes of 'maleness' and 'femaleness'. Complete separation between the distributions of this score in either sex has been achieved. Predominantly, application of the anthropometric score can be in assessing a relationship between the anthropometric status of 'maleness' or 'femaleness', and cytogenetic or submicroscopic anomalies of sex chromosomes, and in studies of normal inter- and intra-population variation in sexual dimorphism.