Ms. Tyler and Ms. Bates had babies at the same hospital on the
same day. Ms. Tyler took home a girl, Bobbie, and Ms. Bates took
home a boy, Toby. Ms. Bates, however, was sure that she had a baby
girl and brought suit against the hospital. Blood tests showed that
Mr. Bates was type O and Ms. Bates was type AB. Both Mr. and Ms.
Tyler were type B. Bobbie was Type A, and Toby was type O. After
filling in the genotypes of all individuals below determine if a
mistake had been made.

Bobbie = ________      
                       
Ms. Bates = __________ and Mr. Bates =_________

Toby    =
________                              
Ms. Tyler = _________

                                                           
Mr. Tyler = _________

Was a mistake made? ________ (yes/ no). If so, what should the
children’s names be?

Baby Bobbie _____________ and
         Baby Toby
______________