Which of These Is NOT a Character of the Genetic

question 7

Multiple Choice

Which of these is NOT a character of the genetic code?

• A) All codons are the same length.
• B) The code is used by nearly every living organism.
• C) Some amino acids have multiple codons.
• D) The code is degenerate.
• E) There is the same number of codons as there are amino acids.

---

Definitions:

Coalescence Time

The time in the past where two or more gene sequences found in a sample population have a common ancestor.

Branch Lengths

In phylogenetics, measurements that represent the evolutionary distance or time between points in a phylogenetic tree.

Lentiviruses

A genus of retroviruses, including HIV, that cause chronic and often deadly diseases by infecting the hosts' cells and replicating.