A new form of dementia has just been discovered,and researchers have determined that the disorder is transmitted genetically in an autosomal dominant pattern with complete penetrance.If a child's father has one of the genes,and the mother has none of the genes for the disorder,the probability that the child will inherit this disorder is _____ percent.

Question

Quizplus · Accepted Answer

Autosomal dominant inheritance means that the disorder is carried on one of the non-sex chromosomes (autosomes) and that only one copy of the affected gene is needed to cause the disorder. Complete penetrance means that everyone who inherits the affected gene will develop the disorder. Therefore, if the father has one of the genes and the mother has none, the probability that the child will inherit the disorder is 100%.

A New Form of Dementia Has Just Been Discovered,and Researchers