Questions:

  1. Write the genotype for each person based on the description:
    1. Homozygous for the “B” allele                               _________
    2. Heterozygous for the “A” allele                              _________
    3. Type O                                                                   _________
    4. Type “A” and had a type “O” parent                        _________
    5. Type “AB”                                                               _________
    6. Blood can be donated to anybody                           _________
    7. Can only get blood from a type “O” donor               _________

Question 2: Pretend that Brad Pitt is homozygous for the type B allele, and Angelina Jolie is type “O.”

What are all the possible blood types of their baby? 

Question 3:

  1. The sister of the mom above also had issues with finding out who the father of her baby was. She had the state take a blood test of potential fathers.  Based on the information in this table, why was the baby taken away by the state after the test?
Name Blood Type
Mother Type O
Baby Type AB
Bartender Type O
Guy at the club Type AB
Cabdriver Type A
Flight attendant Type B