In $Huntington's$ chorea,limb movements are:

Color blindness is a ..... trait.

Colour blindness is

In the $\beta$-globin chain of haemoglobin of an individual,if the sixth amino acid,Glutamic acid (Glu),is replaced by Valine (Val),then the individual will be suffering from:

Match the following symbols used in Pedigree analysis:

Column-$I$	Column-$II$
$a.$ Solid symbol	$(i)$ Carrier of sex-linked trait
$b.$ Horizontal line between symbols	$(ii)$ Offspring
$c.$ Horizontal line above the symbols	$(iii)$ Affected individual (Trait to be studied)
$d.$ Dot in centre	$(iv)$ Mating (Parents)

Cystic fibrosis,Myotonic dystrophy,and Thalassemia are: