Human chorionic gonadotropin hormone (hCG) is injected into the blood of a mouse. Antibodies are produced in the mouse blood in response to this substance. What can the serum from this mouse blood be used for ?
A
Treatment of infertility
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B
Pregnancy test
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C
Prevention of fertilization
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D
Paternity test
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Solution
The correct option is B Pregnancy test Antibodies are formed against any foreign substance by the white blood cells- B-Lymphocytes. These antibodies work against the foreign substance by destroying the substance inside the body of an organism. The antibodies extracted can be found in the serum. So, this serum can be used for the pregnancy test as antigen-antibody reaction can take place between the hCG found in maternal urine during pregnancy while the Antibodies against hCG extracted from mouse serum. So, the serum can be used for confirming pregnancy.