Predict the outcome of the following cross: Hh IAIO x Hh IBIO
* refer the Bombay phenotype
Answer:
H antigen deficiency is known as the "Bombay phenotype" (h/h, also known as Oh): If H antigen is not present, no conventional blood types are recognized.
Hh IAIO x Hh IBIO
HIB |
HIO |
hIB |
hIO |
|
HIA |
HIA / HIB (AB-type) |
HIA / HIO(A-type) |
HIA/ hIB(AB-type) |
HIA/ hIO(A-type) |
HIO |
HIO/ HIB(B-type) |
HIO / HIO(O-type) |
HIO/ hIB(B-type) |
HIO/ hIO(O-type) |
hIA |
hIA/ HIB(AB-type) |
hIA / HIO(A-type) |
hIA/ hIB (Bombay-type) |
hIA/ hIO(Bombay-type) |
hIO |
hIO/ HIB(B-type) |
hIO /HIO(O-type) |
hIO/ hIB(Bombay-type) |
hIO/ hIO(Bombay-type) |
AB-type = 3/16
A-tpe = 3/16
B-type = 3/16
O-type = 3/16
Bombay-type = 4/16
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