If a male offspring is born with a genetic defect,from whom is this defect inherited?

Give differences: Haemophilia and Sickle-cell Anaemia.

$A$ normal girl, whose mother is haemophilic, marries a male with no ancestral history of haemophilia. What will be the possible phenotypes of the offsprings?
$(a)$ Haemophilic son and haemophilic daughter.
$(b)$ Haemophilic son and carrier daughter.
$(c)$ Normal daughter and normal son.
$(d)$ Normal son and normal daughter.
Choose the most appropriate answer from the options given below:

The female children of a haemophilic man and a carrier woman are likely to be:

Give scientific reasons: The product of phenylalanine catabolism excreted in the urine in phenylketonuria.

The most common type of haemophilia results from the congenital absence of