Ichthyosis vulgaris is converted to filaggrin which plays a vital role in the structure of the skin). Around 10% of the population have some detrimental mutations to the profilaggrin gene that is also linked to atopic dermatitis (another skin disorder that is often present with ichthyosis vulgaris). The exact mutation is only known for some cases of ichthyosis vulgaris. It is generally considered to be an autosomal dominant condition, i.e., a single genetic mutation causes the disease and an affected person has a 50% chance of passing the condition on to their child. There is some research indicating it may be semi-dominant.
Supernumerary body part sometimes represented as having numerous breasts. This was particularly notable in the cult of Artemis (Diana) celebrated in the ancient city of Ephesus, in modern Turkey. In Japanese mythology, the god of the sea and storms, Susanoo, is sometimes depicted as having a third arm. In Hungarian mythology, having six fingers on a hand (polydactyly) is held to be the sign of innate supernatural power (see táltos). In the Bible, Goliath has brothers who have six fingers and six toes. Supernumerary body part Supernumerary body parts are most commonly a congenital disorder involving the growth of an additional part of