The Best Evidence We Have to Date Suggests That Early-Onset

Multiple Choice

The best evidence we have to date suggests that early-onset Alzheimer's disease is transmitted genetically in families that:

A) transmit mutations of certain protein-producing genes.
B) have many members with the sporadic form of the disease.
C) have no members with the disease but transmit genetically recessive traits.
D) do not have a clear history of the disease.