Which of the following disorders is an autosomal recessive disorder?

$A$ normal woman whose father was albino marries a man who is albino. What proportion of normal and albino can be expected among their offspring?

Colour blindness in man is

Haemophilia is a condition where there is . . . . . .

$A$ man and a woman,who do not show any apparent signs of a certain inherited disease,have seven children ($2$ daughters and $5$ sons). Three of the sons suffer from the given disease but none of the daughters are affected. Which of the following modes of inheritance do you suggest for this disease?

Which one in man is a wholly genetic trait?