Genetic basis of human scalp hair weight: a twin study.
Human scalp hair weight has been measured in 48 pairs of German twins of known zygosity. Variance analysis indicates a strong genetic component in variability in human scalp hair weight. No sex variation upon the character is found.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D005823:Genetics; D006197:Hair / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D009929:Organ Size; D011247:Pregnancy; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic