Not all cases of ACC are inherited. Maternal medications, herpes virus are amongst other causes.
If you want more details about genetic studies you can participate in a research study which is being conducted at the University of Connecticut
Best wishes.
Thanks for your response! I may look into the research being done at University of Connecticut. I just dont know much about it and would like to learn more.
Thanks again
http://rarediseases.info.nih.gov/GARD/Condition/5835/QnA/21631/Aplasia_cutis_congenita.aspx