We are trying to determine the possible modes of inheritance

We are trying to determine the possible modes of inheritance for some particular human disorder. We have a very small pedigree for this disorder. Assuming the pedigree is accurate, indicate which of the six modes of inheritance are consistent with this pedigree: Select one or more: X-Linked Dominant Autosomal Recessive Autosomal Dominant X-Linked Recessive Y Linked

Solution

The correct answer is : Autosomal Dominant

Reason:In autosomal dominant case, both males and female offsprings are affected in equal frequency.