Rubella,human Immunodeficiency Virus,syphilis,and Encephalitis Are All Included in the Same

Rubella,human immunodeficiency virus,syphilis,and encephalitis are all included in the same section of your textbook because they are all

A) caused by recessive gene pairings.
B) infectious diseases that can cause intellectual disability.
C) the most common forms of death for people with severe and profound intellectual disability.
D) the result of per-natal and perinatal complications.