Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter25: Animal Evolution-the Chordates
Section: Chapter Questions
Problem 4CT
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Estimated
number of
years ago
million
600,000
350,000
100,000
50,000
Present day
Archaic Homo
("Ghosts")
Denisovans
Ancestral humans
Neanderthals
Europeans
Episode of
interbreeding
Modern humans
Melanesians
East Asians
Africans
GRAPHIC: VERNOT ET AL/SCIENCE, ADAPTED BY V. ALTOUNIN/SCIENCE; DATA: A. ROGERS AND S. SANKARARAMAN
We know there was interbreeding between Homo species. Because of this
interbreeding, the genomes of many modern humans contain genes from other
Homo species. Does this change your understanding of what a human is? Why or
why not?
Note: there is no set right or wrong answer for the last two discussion questions.
Transcribed Image Text:Estimated number of years ago million 600,000 350,000 100,000 50,000 Present day Archaic Homo ("Ghosts") Denisovans Ancestral humans Neanderthals Europeans Episode of interbreeding Modern humans Melanesians East Asians Africans GRAPHIC: VERNOT ET AL/SCIENCE, ADAPTED BY V. ALTOUNIN/SCIENCE; DATA: A. ROGERS AND S. SANKARARAMAN We know there was interbreeding between Homo species. Because of this interbreeding, the genomes of many modern humans contain genes from other Homo species. Does this change your understanding of what a human is? Why or why not? Note: there is no set right or wrong answer for the last two discussion questions.
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