StoryNote
Log in
|
Sign up
Why is blood group O+ so common?
by
/u/Aristo_socrates
in
/r/askscience
Read on Reddit
Upvotes:
1766
Favorite this post:
Mark as read:
Your rating:
--
10
9
8
7
6
5
4
3
2
1
0
Add this post to a custom list