Given what you know of the inheritance pattern of SCD, is the following pedigree representative of a ...

Given what you know of the inheritance pattern of SCD, is the following pedigree representative of a typical SCD pedigree?
 
  A) Yes; this is a pedigree showing dominant inheritance, and SCD exhibits dominant inheritance.
  B) Yes; this is a pedigree showing recessive inheritance, and SCD exhibits recessive inheritance.
  C) No; this is a pedigree showing dominant inheritance, and SCD exhibits recessive inheritance.
  D) No; this is a pedigree showing recessive inheritance, and SCD exhibits dominant inheritance.
  E) Another generation is needed before you can determine mode of inheritance.