Which one is ineffective against antibiotics

In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree.

$A$ : The posssibility of a female becoming a haemophilic is extremely rare.
$R$ : Mother of such a female has to be carrier and father should be haemophilic

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

Genes for colour blindness is carried by

$I.$ Abnormal development

$II.$ Father

$III.$ Mother

$IV.$ Autosomes

Haemophilia is more commonly seen in human males than in human females because