Answer:
C) They are caused by the same deletion.
Step-by-step explanation:
Angelman Syndrome and Prader Willi Syndrome, both are genetic disorders.
There is one similarity between both the syndromes that is, they both are caused by the deletion of genes in a particular region of chromosome 15. These both syndromes are inherited from parent.
Angelman Syndrome causes developmental disabilities and nerve-related symptoms while Prader Willi Syndrome causes intellectual disability, shortness in height and obesity.
Hence, the correct option is C.