You Are Analyzing a Human Pedigree for a New Disease

You are analyzing a human pedigree for a new disease and discover that the disease occurs with the same frequency in both sexes and that 25% of the children from two unaffected heterozygous parents have the disease. This disease is displaying inheritance.

A) Autosomal recessive
B) Autosomal dominant
C) Sex-linked recessive
D) Sex-linked dominant