If a boy is suffering from haemophilia, which of the following could he have received the gene from? Note: no one in the mother's or father's family suffers from haemophilia.

If a boy is suffering from haemophilia, which of the following could h

1.	If a boy is suffering from haemophilia, which of the following could he have received the gene from? Note: no one in the mother's or father's family suffers from haemophilia.
Answer» If a boy is suffering from haemophilia, which of the following could he have received the gene from? Note: no one in the mother's or father's family suffers from haemophilia.