Red/green color blindness is expressed only in males but is inherited from the mother. This is an example of _______
a. a birth defect.
b. a recessive trait

HIPAA legislation was introduced by which president of the United States?

a. Obama b. Clinton c. Bush Jr. d. Bush Sr.

____ prevents computer hackers from accessing your computer. 

A. Firewall B. Anti-virus software C. Disk clean-up D. The delete function of your computer