The given diagram $A$ and $B$ indicates:

Identify the odd one among the following disorders.

Autosomal dominant disorder $- P$
Autosomal recessive disorder $- Q$
$X$-linked recessive disorder $- R$
$I -$ Haemophilia,$II -$ Sickle cell anaemia,$III -$ Phenylketonuria,
$IV -$ Thalassaemia,$V -$ Colour blindness,$VI -$ Myotonic dystrophy
Select the correct option for $P, Q$ and $R$.
$\quad\quad P \quad\quad Q \quad\quad R$

What is pedigree analysis? Suggest how such an analysis can be useful.

Myotonic dystrophy is which type of trait?

$A$ colour-blind man marries the daughter of a colour-blind person. Then in their progeny: