(a) all boys haemophilic
(b) all normal
(c) all girls haemophilic
(d) all haemophilic
[CBSE AIPMT 1999]
Correct Option (b)
Reason : Haemophilia is also a sex-linked recessive disease (like colour blindness).
None of the children would suffer from haemophilia, though girls would be carriers of the disease.
Results: All daughters are carrier while all sons are