Which of the following are the main categories of genetic disorders?

Match the Column-$I$ with Column-$II$ and select the correct option.

Column-$I$ (Traits)	Column-$II$ (Type of inheritance)
$i$. Roan cattle	$a$. Multiple allelism
$ii$. Pink flowered $Mirabilis \, jalapa$ plant	$b$. Co-dominance
$iii$. Sickle cell anaemia	$c$. Incomplete dominance
$iv$. Wings in $Drosophila$	$d$. Pleiotropism

The inheritance of $ABO$ blood group is an example of which of the following conditions?
$I -$ Complete dominance,$\quad II -$ Co-dominance
$III -$ Multiple allelism,$\quad IV -$ Incomplete dominance

Haemolytic jaundice is caused due to a dominant gene but only $10\%$ of the people who carry the gene actually develop the disease. $A$ heterozygous man marries a homozygous normal woman; what proportion of the children would be expected to develop the haemolytic disease?

Which one of the following symbols and its representation,used in human pedigree analysis,is correct?

How many sentences are correct?
$(i)$ Every gene contains the information to express a particular trait.
$(ii)$ Gene responsible for $\beta$-thalassemia is present on the $11^{th}$ pair of autosomal chromosomes.
$(iii)$ Mendel's approach of using mathematics to explain biological phenomena was totally new and unacceptable to many of the biologists of his time.