× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
6
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
New Topic  
Pandabearsrlyfe Pandabearsrlyfe
wrote...
Posts: 529
Rep: 1 0
6 years ago
Which genetic disorder is caused by an expansion mutation?
  a. cystic fibrosis
  b. muscular dystrophy
  c. color-blindness
  d. fragile X syndrome
  e. sickle-cell anemia

Question 2

Because DNA replication takes place at an extremely rapid rate, a cell must repair breaks in a strand of DNA up to
  approximately how many times in an hour?
  a. 10
  b. 1,000
  c. 10,000
  d. 200,000
  e. 2,000,000
Read 81 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
Answer to q. 1

ANSWER: d

Answer to q. 2

ANSWER: e
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  433 People Browsing
Related Images
  
 137
  
 1016
  
 331
Your Opinion
What's your favorite funny biology word?
Votes: 401

Previous poll results: What's your favorite coffee beverage?