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Home Q & A Board Humanities History Anthropology
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uYuSs uYuSs
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6 years ago
In this chapter's Focus on Globalization section, scientists trace the global spread of anatomically modern humans by constructing a global phylogenetic tree based on mtDNA (mitochondrial DNA). What have we learned from this tree?
 
  A. Modern humans spread out of Africa over a million years ago.
  B. There was only one wave of migration into North and South America.
  C. The Ice Age temporarily halted early human migrations.
  D. The Americas were settled by multiple haplogroups rather than by a single ancestral population.
  E. Human migrations were not influenced by global climate change.
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Kingpin112Kingpin112
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6 years ago
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uYuSs Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
mkyoungs
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Yesterday
Correct Slight Smile TY
linlinlin
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2 hours ago
Thanks
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