Three different groups reported the molecular genetic basis for Smith-Lemli-Opitz syndrome simultaneously. Smith-Lemli-Opitz syndrome is caused by mutations in the DHCR7 gene, the gene that codes for the enzyme DHCR7 that normally converts 7DHC to cholesterol in the final step of the cholesterol synthetic pathway.
About inheritance and genetics: Inheritance of Dissociative Identity Disorder refers to whether the condition is inherited from your parents or runs in families. The level of inheritance of a condition depends on how important genetics are to the disease.Strongly genetic diseases are usually inherited, partially genetic diseases are sometimes inherited, and non-genetic diseases are not inherited.he level of inheritance of a condition depends on how important genetics are to the disease. Strongly genetic diseases are usually inherited, partially genetic diseases are sometimes inherited, and non-genetic diseases are not inherited.
Dissociative Identity Disorder. The actual cause of Dissociative Identity Disorder is not fully known. There are, however, many theories that psychologists have on what the causes may be. The cause is believed to be childhood trauma, mainly physical and sexual abuse.Studies have shown that there is some type of documentation of abuse in about 95% of young patients with Dissociative Identity Disorder (Kluft, 2003).he cause is believed to be childhood trauma, mainly physical and sexual abuse. Studies have shown that there is some type of documentation of abuse in about 95% of young patients with Dissociative Identity Disorder (Kluft, 2003).