Multiple Choice
The phylogenetic analysis of nucleotide sequences for a group of retroviruses has allowed researchers to discover that there are _____ major types of HIV that originate from one ancestral lentivirus.
A) one
B) two
C) four
D) ten
E) fourteen
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Mammalia is a class the contains many
Q41: The evolutionary history of a group of
Q46: Figure 23-2 <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8677/.jpg" alt="Figure 23-2
Q47: A taxon that includes all the descendants
Q50: When faced with multiple possible cladograms, the
Q54: Humans, as well as all other mammals,
Q59: The number of similarities in certain DNA
Q63: A characteristic that is independently acquired by
Q66: Systematists use phylogenetic trees to graphically represent
Q68: Scientists are now grouping reptiles with birds