Secondary sex ratio in families with X-chromosomal disorders.
D000328:Adult; D003117:Color Vision Defects / Q000235:genetics; D005260:Female; D005387:Finland; D006467:Hemophilia A / Q000235:genetics; D006801:Humans; D008297:Male; D012163:Retinal Detachment / Q000235:genetics*; D012730:Sex Chromosomes; D012744:Sex Ratio