Bruce has a genetic disorder. bruce and his wife, kim, have three children, one of which has the genetic disorder. how is this disorder most likely inherited? autosomal dominant.
Father is dd Mother is Dd (has to be because one child has the disease)
Parents cross is dd x Dd which gives rise to Dd (0.5) and dd (0.5). Each time they have a child they have a 50% chance of the child having the disease. In their case, only one of their 3 children is dd. The others though are carriers!