Model Melanie Gaydos Has a Rare Genetic Disorder-And She's Taking Over the Fashion World. Gaydos has ectodermal dysplasia-which ... Gaydos also name drops albino model Shaun Ross and Winnie Harlow, a former America's Next Top Model contestant turned super ... As with other genetic disorders, ED can be inherited or occur due to a mutated gene at conception. Approximately 1 in 10,000 ...