emma holiday surgery
emma holiday surgery
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A parental mystery: Mr. and Mrs. Smith have just arrived home with their new baby. As soon as they walk in the door, they get a call from the hospital maternity ward. The nurse who discharged the Smiths is calling to say he is now worried that she sent the wrong baby home with them. They return to the hospital for a battery of blood tests to clear up the confusion. The results are found in the table below:
|
|
| Hemoglobin Type |
Mr. Smith | Type A | MM | Hh |
Mrs. Smith | Type B | MN | HH |
Baby Emma | Type O | NN | Hh |
Help them interpret the results of the blood test. Could baby Emma be their daughter? Why or why not?
Both the blood-type systems are examples of codominance, and sickle-cell anemia (hemoglobin type) is an example of an autosomal recessive trait that also exhibits codominance. Help them interpret the results of the blood test. Could baby Emma be their daughter? Why or why not?