Question 1
The genes that influence alcoholism are ______________.
◦ alcohol dehydrogenase genes
◦ aldehyde dehydrogenase genes
◦ MAOA genes
◦ a combination of two of these genes
◦ unknown.
Question 2
The mutant huntingtin protein that results in Huntington disease
◦ causes a decrease in production of another protein.
◦ leads to degeneration of cells in the brain's striatum.
◦ is toxic to brain cells.
◦ leads to degeneration of cells in the brain's striatum
and is toxic to brain cells
only.◦ has all of these traits.