Each parent donates one of the ABO alleles to Jessica. Her mom donates either A or B. Her dad donates only o. Jessica will be either Ao or Bo, which correspond to type A and type B.
Blood typing (in general) involves the use of three different antibodies for three different antigens. These three antibodies are Anti-A, Anti-B and Anti-D and are usually coloured differently to avoid...
There are 4 main blood types (8 if you include the Rhesus-factor) It is a question of antigens and antibodies: Bloodtype A has A-type antigens on the erythrocytes, and anti-B-type...
The genotype (genetic composition) of blood groups is slightly different from the phenotype (manifestation or expression). To explain: A Blood Type can be genetically A-A or A-O. B Blood...
Rh incompatibility exists when an Rh- mother conceives an Rh+ child (wherein the child receives the D antigen or Rh protein from the father). Generally this will still not pose...
There are different notations for human blood types, so you may also see the IA, IB, and i system. Either way though, this particular cross produces a 1:1 ratio of...