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

What are all the chances of colour blind daughter and sons being born in a marriage of normal man marrying a normal woman, whose father was colour blind

Colour blindness is found more in males than in females because

A boy is colour blind, in his two sisters one is colour blind and one is carrier $(normal)$. Then who is colour blind in his family

If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness ?

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