Research on human mtDNA by scientists at the University of CaliforniaBerkeley suggests which of the following?
A. Modern humans originated in Africa and replaced Homo erectus elsewhere.
B. The divergence of modern human groups began in the early Pliocene.
C. There is tremendous diversity of mtDNA within living human groups.
D. Modern Homo sapiens evolved in multiple areas of the world simultaneously.
Question 2
Modern humans are divided into four distinct species that correspond to the major geographic areas of Europe, Africa, Asia, and the Americas.
Indicate whether the statement is true or false.