Main Idea Details
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Section 16.3 Human Ancestry (continued)
Emergence of
Modern Humans
I found this information
on page.
Rephrase two hypotheses proposed to explain the global
dominance of modern humans.
Multiregional evolution model:
“Out of Africa” hypothesis:
Summarize a scientific study that supported the “Out of Africa”
hypothesis by completing the paragraph.
- Africans have the most
variation in mitochondrial DNA- mitochondrial DNA is inherited
only from the mother
- mitochondrial DNA is inherited
- mitochondrial DNA changes
very little over time- the population with the most
variation had the longest
existence
Because ,
scientists reasoned that
. In studying the DNA of contemporary
humans, scientists found that
. Because
, scientists concluded that
H. sapiens emerged in Africa from a hypothetical “Mitochondrial Eve.”
- the population with the most
168 Primate Evolution
Contrast Homo sapiens to all other Homo species.
(^) SUMMARIZE