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
Pick out the correct statements.
$I.$ Haemophilia is a sex-linked recessive disease
$II.$ Down's syndrome is due to aneuploidy
$III.$ Phenylketonuria is an autosomal dominant gene disorder
$IV.$ Phenylketonuria is an autosomal recessive gene disorder
$V.$ Sickle cell anaemia is an $X$-linked recessive gene disorder
A normal woman whose father was colour blind, is married to a normal man. The sons would be
Choose correct option.
$(i)$ The heterozygous female transmit the disease to son.
$(ii)$ Change in the shape of the $RBC$ from biconcave disc to elongated sickle like structure.
$(iii)$ Mentally retarded.
$(iv)$ Heamoglobin not formed proper amount in blood.
Which is not Mendelian disorder in man?