Question : A man & women who both appear normal have a child together, who has sickle cell anaemia. The woman becomes pregnant again and is told that she is carrying fraternal (dizygotic) twins. What is the probability that both of the couple's twins will have Sickle Cell Anaemia :-

Question : A man & women who both appear normal have a child together,

1.	Question : A man & women who both appear normal have a child together, who has sickle cell anaemia. The woman becomes pregnant again and is told that she is carrying fraternal (dizygotic) twins. What is the probability that both of the couple's twins will have Sickle Cell Anaemia :-
Answer» `(1)/(16)` `(1)/(4)` `(1)/(2)` `(9)/(16)` ANSWER :A