Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
New Topic  
colleen colleen
wrote...
Go to Answer
Valued Member
Posts: 17077
Rep: 251 1
10 years ago
The finding that virtually all organisms use the same genetic code provides the basis for declaring that the code is universal. Name at least two exceptions to such universality.
Read 940 times
3 Replies
Sunshine ☀ ☼
Replies
wrote...
#1
10 years ago
The normal codon of "AGG" and "AGA" usually code for the amino acid Arginine. However, in a mammalian organism, it codes for a stop codon.

The same thing goes for the codon "AUA" which usually codes for isoleucine. But in yeasts it codes for Methionine.

There are many other exceptions as well.

Source:
"The Genetic Code." Cold Spring Harbor Symposia on Quantitative Biology, vol. 31. Cold Spring Harbor, NY: Cold Spring Harbor Press, 1966.
Source  "The Genetic Code." Cold Spring Harbor Symposia on Quantitative Biology, vol. 31. Cold Spring Harbor, NY: Cold Spring Harbor Press, 1966.
Answer accepted by topic starter
bio_manbio_man
wrote...
#2
Educator
Top Poster
Posts: 33243
Rep: 3442 15
10 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

colleen Author
wrote...
#3
Valued Member
10 years ago
AWESOME!!
Sunshine ☀ ☼
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1291 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 178
  
 102
  
 2845
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431
Previous poll results: Who will win the 2024 president election?