One way of detecting sex linked inheritance is
A man known to be victim of haemophilia marries a normal woman whose father was known to be a bleeder. Then it is expected that
$A$ : Sickel cell anaemia occurs due to the point mutation.
$R$ : $mRNA$ produced from $Hb(s)$ gene has $GAG$ instead of $GUG$.
Person whose father is colourblind marries a lady whose mother is daughter of a colourblind man. Their children will be