USMLE Forums banner
1 - 1 of 1 Posts

· Ex-USMLE Forums Staff
752 Posts
Discussion Starter · #1 ·
Two genotypes of the two alfa chain deletions
cis configuration --/aa Common in Asians
trans configuration -a/-a Common in African Americans

To remember these remember that:

  • cis configuration implies a horizontal orientation just like the wide horizontal Asia continent
  • trans configuration implies vertical orientation just like the tall and narrow African continent

1 - 1 of 1 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.