________ Is a Dominant Genetic Disorder,which Can Also Result from Mutations,that

Multiple Choice

________ is a dominant genetic disorder,which can also result from mutations,that usually is characterized by distinctive facial features,unusual postures and gaits,and most strikingly an uneven profile of cognitive and social strengths and weaknesses.

A) Sickle cell anemia
B) Williams syndrome
C) Tay-Sachs disease
D) Thalassemia