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by BlastRoom
Three alleles, four phenotypes: work out possible blood types of children and who can donate to whom.
#biology
20 questions
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A person's blood test comes back type B. Which genotype or genotypes could that person have?
Which genotype produces type O blood?
The square shows the gametes of a couple. The father has type A blood and the mother has type B blood. Which blood types can their children have?
A patient with type O blood is given a transfusion of type A red cells. Which outcome is expected, and why?
A student says that a person of genotype has type A blood, because is written first and so must be dominant. What blood type does this person actually have?
A woman with type O blood has a baby with type O blood. Four men are tested as possible biological fathers. Which man does the baby's blood type rule out?
The square shows the gametes of a couple. The father has type AB blood and the mother has type A blood. Which blood type can none of their children have?
In the human ABO system there are three alleles. Which one is recessive to both of the others?
Look at the table. A patient with type B blood is given type A red cells. Which antibody in the patient's plasma reacts with the donor cells?
The square shows the gametes of a couple. The father has type B blood and the mother has type O blood. One of their children has type B blood. Which genotype must that child have?
Which pair of genotypes gives two people the same blood type?
A hospital record lists a newborn with type AB blood, and both listed parents have type O blood. Which conclusion does the blood type support?
Both parents in this cross have type A blood. Which genotype belongs in the cell marked with a question mark?
Type AB blood is often called the universal recipient. Which feature of type AB blood explains this?
Both parents in this cross have type AB blood. Which set of blood types is possible for their children?
A patient's red cells carry the B antigen but not the A antigen. The patient's father had type O blood. Which genotype does the patient have?
Look at the donor register. A patient with type A blood needs red cells. Which donor's blood can be given safely?
Both parents in this cross have type B blood. A relative insists their type O baby cannot be theirs. What does the square show?
A woman of genotype has a son with a man of genotype i i. The son later has children with a woman who has type O blood. Which blood types can the son's children have?
A patient with type B blood is given a transfusion of type AB red cells. Which outcome is expected, and why?
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20 questions
