× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
New Topic  
barry barry
wrote...
Posts: 11630
10 years ago
If the mother is exposed to teratogens during pregnancy, what can happen to the fetus?
A) These substances are immediately toxic to a fetus.
B) These substances can cross the placental barrier to cause damage to the fetus.
C) These substances dramatically reduce the blood supply that flows through the placenta and thus injure the fetus.
D) These substances interfere with the development of the extraembryonic membranes that support the fetus.
E) None of the answers are correct.
Read 253 times
1 Reply

Related Topics

Replies
wrote...
10 years ago
Answer:  B
Biology - The only science where multiplication and division mean the same thing.
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1155 People Browsing
 116 Signed Up Today
Related Images
  
 607
  
 869
  
 402
Your Opinion
Where do you get your textbooks?
Votes: 328