Of a normal couple, half the sons are haemophilic which half the saughters are carriers. The gene is

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Of a normal couple, half the sons are haemophilic which half the saughters are carriers. The gene is located on

Accepted Answer

Haemophilic is a sex-linked disease. Gene of this disease is located on X-chromosome. In the given case where half the sons are haemophilic and half the daughters are carriers this is pos sible only when the gene responsible for haemophilia is located on one X-chromosome of mother.
Daughters :
50% = Carrier, 50% = Normal
Sons :
50 % = Haemophilic , 50% = Normal

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