Polydactyly or polydactylism also known as hyperdactyly, is a congenital physical
anomaly in humans, dogs, and cats having ...
Learn about Polydactyly of Fingers symptoms and causes from experts at Boston
Children's, ranked best Children's Hospital by US News.
Aug 29, 2009 ... Find out more about what causes polydactyly, the inheritance of polydactyly and
the gene that causes extra fingers and toes to appear.
What caused it? Polydactyly occurs in the womb as a detour on the road to
developing just one thumb and four fingers on the hand. In the womb, the new
Having an extra finger or toe is called polydactyly. The extra digit may range from
a small, raised bump to a complete, working finger or toe.
The extra digits are because of genetic defects. The usual causes are familial
polydactyly (inherited), Ellis-van Creveld Syndrome, Carpenter Syndrome,
Oct 31, 2012 ... If polydactyly is caused by just a single gene that only affects the number of
fingers or toes and nothing else, then it is typically a dominant trait.
Apr 13, 2012 ... The condition of having extra fingers or toes is known as polydactyly. ... Another
cause of polydactyly is acrocallosal syndrome is a recessive ...
Nov 7, 2011 ... This trait involves only one gene that can cause several variations. ... Polydactyly
can also occur with some genetic diseases. Extra digits may ...
Oct 2, 2015 ... Polydactyly of the feet is a rare, congenital condition in which a person may have
more than five toes on one or both feet. Learn about ...