A woman with B type blood gives birth to a baby with O type blood. Which of the following men could possibly be the baby’s father?  Tom O, Dick A, Harry B, or Sam AB.  Which could not possibly be the baby’s father?  Show your work.

The father's blood type is A, and the mother's blood type is B. They have their first child with O. What would be their genotypes?  iA i & ii iA iB & i i iA iA & iB iB iA i & iB i  i i & i i

Sunday Afternoon It’s another beautiful day in Springfield and the Simpson family has decided to take a family outing to the Springfield Clinic to have their blood types tested. A few pin-pricks later, they have their information, which is summarized in the table below. (If you’ve been marooned on a deserted island without TV reception for the past 20 years: Homer and Marge are the parents; Bart, Lisa and Maggie are their three children.) Complete the table. Simpson Blood Type RBC Antigens Plasma Antibodies   Homer   A-negative A Anti B Marge   B-positive B Anti A Bart   O-positive None Anti A and Anti B Lisa   A-negative A Anti B Maggie   AB-negative A and B None   Monday Afternoon The following day, tragedy strikes as Bart rushes home from school on his skateboard. Approaching an intersection, he fails to use proper safety procedures and he careens into the intersection without looking both ways. Before he can utter,…

Ms. Simons, Ms. Simpson, and Ms. Simple all entered the same hospital and gave birth to baby girls on the same day, and all three babies were taken to the nursery to receive care. Someone later claimed that the hospital mixed up the babies. As a hospital administrator, it is your job to make sure that each pair of parents has the correct baby, so you order blood typing to be done on all the parents and all the babies. Here are the results: Finish the chart giving each individual’s probable genotype and possible gametes and determine which baby belongs to which couple. Person Blood Type(Phenotype) Probable Genotype   Possible Gametes     Mrs. Simons A+     Mr. Simons A-     Mrs. Simple A+     Mr. Simple B+     Mrs. Simpson B-     Mr. Simpson O+             Baby A O+     Baby B AB-     Baby C B-

A woman with type A blood has a child with type A blood. Which type of the following men could not be the father of the child? A) IA I B) IA IB C) IB IB D) IB i

What is the karyotype for men who have an extra Y chromosome? Discuss all the ways you can test for this abnormality.