BI226 Chapter Notes - Chapter 4: Abo Blood Group System, Mns Antigen System, Karl Landsteiner
Document Summary
Coat colour in labrador retrievers will be on final exam some terminology. When you cross a red and a white you will derive a pink colour. Once you mate those pink flowers with another pink flower you will get red, pink and white. The heterzygote displays both phenotypes if the two homozygotes. Incomplete dominance displayed intermediate phenotype between the two homozygoutes. The abo blood group ia and ib alleles are codominant alleles. So far we have only considered genes with two alleles. Some genes may have a wild-type form and more than one mutant form. Thee genes are said to have multiple alleles. Importantly, for all diploid individuals, it is only possible to have two of these alleles present. An example of multiple alleles is the abo blood group. Discovered by karl landsteiner in the early 1900"s. Won 193- s nobel prize for physiology or medicine. Important for the transfusion of blood from one person to another.
