In pedigree analysis, the square, blackened and horizontal lines represents
Female, healthy individual, parents
Female, affected individual, parents
Male, affected individual, parents
Male, affected individual, progeny
A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be
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 normal women marries a colourblind man
Following characters are indicate
$(i)$ presence of sickle - shaped $RBC$
$(ii)$ Blood not clot, non stop bleeding
$(iii)$ The heterozygous female transmit the disease to sons.
$(iv)$ Both heterozygous parents transmit the disease to offspring