× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
New Topic  
utrail utrail
wrote...
Posts: 724
Rep: 0 0
6 years ago
________ is an inherited disorder caused by an extra 21st chromosome which results in mental retardation.
A) Phenylketonuria
B) Huntington's disease
C) Down syndrome
D) Turner's syndrome
Textbook 
Children: A Chronological Approach, Canadian Edition

Children: A Chronological Approach, Canadian Edition


Edition: 5th
Authors:
Read 76 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
C) Down syndrome
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1259 People Browsing
Related Images
  
 146
  
 65
  
 255
Your Opinion
Which of the following is the best resource to supplement your studies:
Votes: 365

Previous poll results: Where do you get your textbooks?