Author Question: Rett syndrome is caused by _____. a. a viral infection b. a genetic change on the X chromosome c. ... (Read 37 times)

hubes95 · **on:** Aug 20, 2018

Rett syndrome is caused by _____.
a. a viral infection
b. a genetic change on the X chromosome
c. obesity
d. an extra copy of chromosome 21
e. partial deletion of chromosome 15

Question 2

Signs of malnutrition tend to appear most often in parts of the body where cell replacement occurs at a rapid rate, including all of the following except the:

a. hair.
b. skin.
c. respiratory tract.
d. digestive tract.