Question

1. A person of blood type B needs urgent blood transfusion. Which blood groups are acceptable and which are not? What is the basis of your choice? 2. Could a brother's sister blood be transfused to him without typing if the parents are of the following blood types: A. Both AB B. B and O C. Both O? Explain. 3. A woman learns that her fiancé was the fifth child in a family in which the second and fourth were born with erythroblastosis fetalis. She is told that it is impossible for her to have an affected child and asks if this is true or not. What should your answer be? Justify. 4. Assume that the Rh factor is an autosomal dominant trait. Assume further a case of disputed paternity involving woman X, two men Y and Z and four children. A, B, C and D On the basis of blood properties, assign each child to his father whenever possible: Ind. M N Reactions to Anti Sera: A B Rh X + + + - + Y + + - + - Z - + + + - A - + + + + B + + - + + C + - - - - D - + + - +

          1. A person of blood type B needs urgent blood transfusion. Which blood groups are acceptable and which are not? What is
the basis of your choice?
2. Could a brother's sister blood be transfused to him without typing if the parents are of the following blood types:
A. Both AB
B. B and O
C. Both O? Explain.
3. A woman learns that her fiancé was the fifth child in a family in which the second and fourth were born with
erythroblastosis fetalis. She is told that it is impossible for her to have an affected child and asks if this is true or not. What
should your answer be? Justify.
4. Assume that the Rh factor is an autosomal dominant trait. Assume further a case of disputed paternity involving woman
X, two men Y and Z and four children. A, B, C and D On the basis of blood properties, assign each child to his father
whenever possible:
Ind.
M
N
Reactions to Anti Sera:
A
B
Rh
X
+
+
+
-
+
Y
+
+
-
+
-
Z
-
+
+
+
-
A
-
+
+
+
+
B
+
+
-
+
+
C
+
-
-
-
-
D
-
+
+
-
+

1. A person of blood type B needs urgent blood transfusion. Which blood groups are acceptable and which are not? What is
the basis of your choice?
2. Could a brother's sister blood be transfused to him without typing if the parents are of the following blood types:
A. Both AB
B. B and O
C. Both O? Explain.
3. A woman learns that her fiancé was the fifth child in a family in which the second and fourth were born with
erythroblastosis fetalis. She is told that it is impossible for her to have an affected child and asks if this is true or not. What
should your answer be? Justify.
4. Assume that the Rh factor is an autosomal dominant trait. Assume further a case of disputed paternity involving woman
X, two men Y and Z and four children. A, B, C and D On the basis of blood properties, assign each child to his father
whenever possible:
Ind.
M
N
Reactions to Anti Sera:
A
B
Rh
X
+
+
+
-
+
Y
+
+
-
+
-
Z
-
+
+
+
-
A
-
+
+
+
+
B
+
+
-
+
+
C
+
-
-
-
-
D
-
+
+
-
+

Added by Margaret O.

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