Enrichment Activity #1
ABO Exercise "A"

E-mail answers to Pat.

Express answers for Questions #1-3 as phenotypes. (Refer to phenotypes/genotypes, if required. )

  1. AO x BO matings can produce offspring of which ABO groups?

  2. AB x OO matings can produce offspring of which ABO groups?

  3. AA x BO matings can produce offspring of which ABO groups?

  4. Based on the genes inherited, which ABH substances (soluble antigens), if any, would be present in the saliva of the following?

    (a) AA HH SeSe

    (b) OO HH Sese

    (c) AB hh SeSe

    (d) BO Hh sese

  5. For this secretor test on a group O patient, is the person a secretor or non-secretor?

    saliva + anti-H + O cells --> positive test

  6. Group A antigen specificity resides with which terminal sugar?

  7. People of which blood group(s) produce D-galactosyl transferase?

  8. Which normal blood group has the lowest concentration of H antigens?

  9. Which normal ABO blood group is the least common in North American Caucasians?

  10. Which ABO genes are amorphs? Define this term.
EA #1: ABO Exercise "A"