What Type of Inheritance is it? In research thus far we do not know where it comes from. What we do know is that it is not caused by a parent doing something wrong, it is not usually in the family history once someone does get it. The infants inherit the chromosome with a deleted segment from an unaffected parent. Genetic Science Learning Center. "Cri-du-Chat Syndrome." Learn.Genetics 18 February 2015 <http://learn.genetics.utah.edu/content/disorders/chromosomal/cdc/>