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Brijmohan angrily says to his daughter not to marry Rajiv since their family is known to inherit Haemophilia. The daughter objected to her father‘s order. Brijmohan was adamant and threatened Rajiv also. Brijmohan‘s daughter explained the biological interpretation of his fear and convinced her father. a) Rajiv was not haemophilic. Why was Brijmohan so worried?b) What values do you identify from the role played by Brijmohan‘s daughter? c) What explanation must have convinced Brijmohan?d) Is there any fear of haemophilia if Brijmohan‘s daughter marries Rajiv? |
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Answer» a) Brijmohan was not aware of the inheritance pattern for haemophilia. He thought that the disease shall be expressed among his grandchildren. b) Scientific attitude, deep understanding and practical application of the subject. She was focussed having convincing ability. c) Haemophilia is a sex linked recessive inherited disease. The gene is located on the X chromosome. Human male has only one sex chromosome (44A + XY). Rajiv is not haemophilic since he does not have the gene on his X chromosome. There remains no chance for him to pass on any haemophilic gene to the next generation. d) No there remains no fear if they are married, provided the girl is not a carrier of haemophilia. If the girl is a carrier, then the chance for the son to be haemophilic is 50%. |
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