Download Genetics Blood Types I = A proteins (dominant) I I or I i Type A blood

Genetics
Blood Types
Genotypes
Phenotypes
IA= A proteins (dominant)
IAIA or IAi
Type A blood
IB=B proteins (dominant)
IBIB or IBi
Type B blood
i= no proteins (recessive)
IAIB
Type AB blood
ii
Type O blood
1. A man who heterozygous for Type A marries a woman with Type O blood.
What genotypes are possible in their children?
2. If a woman is heterozygous Type A blood and her husband is heterozygous
Type B blood, what blood types are possible in their children?
3. If a husband and wife both have Type AB blood, what blood types are
possible in their children?
4. A woman who has Type A blood marries a man with Type O blood. Their
child also has Type O blood. Give the genotypes of these three people.
Genetics
Blood Types
5. A man who has Type AB blood marries a woman who is heterozygous for
Type A blood. They have two children. One child has Type A blood and the
other has Type B blood. Give the genotypes of all four individuals.
6. Is it possible for a person with Type AB blood to have a child with Type O
blood? Use a Punnett square to illustrate.
7. Is it possible for two Type A people to have a child with Type O blood? Use
a Punnett square to illustrate.
8. Fill in the following table:
Blood Type
Donate To
A
B
AB
O
Which blood type is the universal donor?
Which blood type is the universal recipient?
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