Figure 20.20
Extrapolating backward in time using the molecular clock indicates that the HIV-1 M strain originated around
A)1920.
B)1930.
C)1950.
D)1960.

Name: Figure 20.20 Extrapolating backward in time using the molecular clock indicates that the HIV-1 M strain originated around A)1920. B)1930. C)1950. D)1960.
Brand: Quizplus
Rating: 4.8 (33 reviews)

Question

Figure 20.20
Extrapolating backward in time using the molecular clock indicates that the HIV-1 M strain originated around
A)1920. 
B)1930. 
C)1950. 
D)1960.

Quizplus · Accepted Answer

Extrapolating backward in time using the molecular clock indicates that the HIV-1 M strain originated around 1930.

Figure 20.20 Extrapolating Backward in Time Using the Molecular Clock Indicates That