1 out of every 500 people are affected with Polydactyly, being most common in black males and least common in white females.
Clinical doesn't fit Hirschsrung's disease. Smith-Lemli Opitiz syndrome presents from birth with coarse facies and polydactyly.
Polydactyly is a genetic disorder which leads to one having six fingers or toes. This is also known as hexadactyly. It is caused by an autosomal dominant gene. ~ Poly = many dactly = fingers and toes. Polydactyly means more than the usual number of fingers and/or toes. Some cases can be genetic but most are not and there can be any number (not necessarily 6).
Tyler Steven Hayden is the man who discovered Polydactyly syndrome
67 years
polydactyl means many fingers. It refers to people or creatures that have more fingers or toes then what they are suppose to have.
Tyler Steven Hayden discovered polydactyly.
People, mostly males, has barth syndrome. Barth Syndrome affected 200,000 male infants.
Approximately 500 - 600 people in the word have Joubert Syndrome.
Less then a few hundred people on earth at a time have morquio syndrome.
Founder Effect
Founder Effect
Polydactyly was first mentioned in the bible. This condition of having more than five fingers or toes on one hand or foot is most common among the Amish people.