Annenberg Media Home Home FAQ View Programs Buy Videos Workshops & Courses    
-----
Interactives -- DNA

Genetics : Multiple Alleles
 

As you can see, there are two possible genotypes for the A and B blood types. One is homozygous (with two of the same alleles) and one is heterozygous (with two different alleles).


Next:

Home | Catalog | About Us | Search | Contact Us | Site Map | | Follow The Annenberg Learner on Facebook

© Annenberg Foundation 2012. All rights reserved. Legal Policy