Top Posters
Since Sunday
L
4
d
4
3
k
3
k
3
j
3
k
3
b
3
f
3
b
3
d
3
h
3
New Topic  
BladeLotus BladeLotus
wrote...
Posts: 319
Rep: 3 0
5 years ago
All humans alive today have inherited their mitochondrial DNA from some individual female common ancestor. Studies indicate this woman probably lived about ________ years ago, when fossil evidence indicates that Homo sapiens was restricted to ________.
A) 20,000; Africa
B) 50,000; Africa and Asia
C) 180,000; Africa
D) 500,000; Africa, Asia, and Europe
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
Read 33 times
1 Reply
Replies
Answer verified by a subject expert
dbell10dbell10
wrote...
Posts: 201
5 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here

Related Topics

BladeLotus Author
wrote...

5 years ago
Good timing, thanks!
wrote...

Yesterday
Brilliant
wrote...

2 hours ago
This site is awesome
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1143 People Browsing
 102 Signed Up Today
Related Images
  
 3555
  
 5182
  
 347