Question

Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located on ______.

Options

• X-chromosome of father

• Y-chromosome of father

• one X-chromosome of mother

• both the X-chromosomes of mother

Answer 1

Of a normal couple, half the sons are haemophilic while half the daughters are carriers. The gene is located on one X-chromosome of mother.