KCET · BIOLOGY · STD 11 - 15. Body Fluids and Circulation
In which of the following situations, is there a risk factor for children of incurring erythroblastosis fetalis?
- A Mother is Rh -ve and father is Rh -ve
- B Mother is Rh -ve and father is Rh +ve
- C Mother is Rh +ve and father is Rh +ve
- D Mother is Rh +ve and father is Rh -ve
Answer & Solution
Correct Answer
(B) Mother is Rh -ve and father is Rh +ve
Step-by-step Solution
Detailed explanation
(B) Mother is Rh -ve and father is Rh +ve,
Erythroblastosis fetalis occurs when an Rh-ve mother produces antibodies against Rh+ve fetal red blood cells, leading to hemolysis. This risk arises when the father is Rh+ ve, potentially passing the Rh+ ve trait to the fetus.
Erythroblastosis fetalis occurs when an Rh-ve mother produces antibodies against Rh+ve fetal red blood cells, leading to hemolysis. This risk arises when the father is Rh+ ve, potentially passing the Rh+ ve trait to the fetus.
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