Researchers selected candidate genes by identifying homozygous tracts shared by all three siblings. along with the parental phenotype, what does this suggest regarding the inheritance pattern of dyt2?
a. it is recessive because the father was neurologically normal and it is autosomal.
b. it is dominant because the mother was neurologically normal and it is autosomal.
c. it is recessive because the father was neurologically normal and it is x-linked.
d. it is dominant because the mother was neurologically normal and it is x-linked.