What Does It Mean That the Genetic Code Is "Highly

question 77

Multiple Choice

What does it mean that the genetic code is "highly conserved"?  

• A)it is almost universal and has not changed in millions of years
• B)it resists modification from environmental mutagens
• C)organisms can only use it a certain number of times
• D)all organisms and organelles - without exception - have the exact same genetic code
• E)the products of the genetic code - proteins - are almost the same in all organisms