The Accompanying Figure Is a Pedigree of a Fairly Common

Short Answer

The accompanying figure is a pedigree of a fairly common human hereditary trait in which the boxes represent males and the circles represent females.Shading symbolizes the abnormal phenotype.
Given that one gene pair is involved:
a) Is the inheritance pattern X-linked or autosomal,recessive or dominant?
b) Give the genotype of each individual in the pedigree.If more than one genotypic possibility exists,present all possible alternatives.